Home / 19,995.10-27,593.16-10,921.06

Finding the Fourth Proportional to 19,995.10, 27,593.16 and 10,921.06

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Solution

The fourth proportional to 19,995.10, 27,593.16 and 10,921.06 is: 15,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.10 : 27,593.16 = 10,921.06 : x
  2. Step 2: Convert to fraction form
    19,995.10/27,593.16 = 10,921.06/x
  3. Step 3: Cross multiply
    19,995.10x = 27,593.16 × 10,921.06
  4. Step 4: Simplify right side
    19,995.10x = 301,346,555.95
  5. Step 5: Solve for x
    x = 301,346,555.95/19,995.10
  6. Step 6: Final answer
    x = 15,071.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.