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Finding the Fourth Proportional to 18,073.63, 24,943.17 and 10,115.74

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Solution

The fourth proportional to 18,073.63, 24,943.17 and 10,115.74 is: 13,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.63 : 24,943.17 = 10,115.74 : x
  2. Step 2: Convert to fraction form
    18,073.63/24,943.17 = 10,115.74/x
  3. Step 3: Cross multiply
    18,073.63x = 24,943.17 × 10,115.74
  4. Step 4: Simplify right side
    18,073.63x = 252,318,622.50
  5. Step 5: Solve for x
    x = 252,318,622.50/18,073.63
  6. Step 6: Final answer
    x = 13,960.59

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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.