Home / 22,800.53-31,469.96-13,372.13

Finding the Fourth Proportional to 22,800.53, 31,469.96 and 13,372.13

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Solution

The fourth proportional to 22,800.53, 31,469.96 and 13,372.13 is: 18,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.53 : 31,469.96 = 13,372.13 : x
  2. Step 2: Convert to fraction form
    22,800.53/31,469.96 = 13,372.13/x
  3. Step 3: Cross multiply
    22,800.53x = 31,469.96 × 13,372.13
  4. Step 4: Simplify right side
    22,800.53x = 420,820,508.32
  5. Step 5: Solve for x
    x = 420,820,508.32/22,800.53
  6. Step 6: Final answer
    x = 18,456.61

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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.