A reverse proportion calculator is a device that lets you decide the unique worth earlier than a proportion change was utilized. For instance, if that an merchandise is now priced at $120 after a 20% low cost, you need to use a reverse proportion calculator to find out that the unique value was $150.
Reverse proportion calculators have many makes use of in on a regular basis life. They can be utilized to calculate the unique value of an merchandise earlier than a reduction, the ultimate quantity after a tax or charge has been added, or the quantity of a elevate or lower in wage or wages. They will also be used to resolve a wide range of math issues.