Home / 25,302.56-34,873.92-21,691.04

Finding the Fourth Proportional to 25,302.56, 34,873.92 and 21,691.04

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Solution

The fourth proportional to 25,302.56, 34,873.92 and 21,691.04 is: 29,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.56 : 34,873.92 = 21,691.04 : x
  2. Step 2: Convert to fraction form
    25,302.56/34,873.92 = 21,691.04/x
  3. Step 3: Cross multiply
    25,302.56x = 34,873.92 × 21,691.04
  4. Step 4: Simplify right side
    25,302.56x = 756,451,593.68
  5. Step 5: Solve for x
    x = 756,451,593.68/25,302.56
  6. Step 6: Final answer
    x = 29,896.25

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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.