Home / 25,572.29-38,351.96-10,781.09

Finding the Fourth Proportional to 25,572.29, 38,351.96 and 10,781.09

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Solution

The fourth proportional to 25,572.29, 38,351.96 and 10,781.09 is: 16,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.29 : 38,351.96 = 10,781.09 : x
  2. Step 2: Convert to fraction form
    25,572.29/38,351.96 = 10,781.09/x
  3. Step 3: Cross multiply
    25,572.29x = 38,351.96 × 10,781.09
  4. Step 4: Simplify right side
    25,572.29x = 413,475,878.53
  5. Step 5: Solve for x
    x = 413,475,878.53/25,572.29
  6. Step 6: Final answer
    x = 16,168.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.