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Finding the Fourth Proportional to 18,073.87, 24,942.47 and 10,115.89

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Solution

The fourth proportional to 18,073.87, 24,942.47 and 10,115.89 is: 13,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.87 : 24,942.47 = 10,115.89 : x
  2. Step 2: Convert to fraction form
    18,073.87/24,942.47 = 10,115.89/x
  3. Step 3: Cross multiply
    18,073.87x = 24,942.47 × 10,115.89
  4. Step 4: Simplify right side
    18,073.87x = 252,315,169.91
  5. Step 5: Solve for x
    x = 252,315,169.91/18,073.87
  6. Step 6: Final answer
    x = 13,960.22

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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.