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Finding the Fourth Proportional to 16,874.20, 25,311.30 and 13,593.70

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Solution

The fourth proportional to 16,874.20, 25,311.30 and 13,593.70 is: 20,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.20 : 25,311.30 = 13,593.70 : x
  2. Step 2: Convert to fraction form
    16,874.20/25,311.30 = 13,593.70/x
  3. Step 3: Cross multiply
    16,874.20x = 25,311.30 × 13,593.70
  4. Step 4: Simplify right side
    16,874.20x = 344,074,218.81
  5. Step 5: Solve for x
    x = 344,074,218.81/16,874.20
  6. Step 6: Final answer
    x = 20,390.55

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Similar ratio
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1.5x scale

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.