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Finding the Fourth Proportional to 18,001.66, 24,843.15 and 12,035.74

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Solution

The fourth proportional to 18,001.66, 24,843.15 and 12,035.74 is: 16,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.66 : 24,843.15 = 12,035.74 : x
  2. Step 2: Convert to fraction form
    18,001.66/24,843.15 = 12,035.74/x
  3. Step 3: Cross multiply
    18,001.66x = 24,843.15 × 12,035.74
  4. Step 4: Simplify right side
    18,001.66x = 299,005,694.18
  5. Step 5: Solve for x
    x = 299,005,694.18/18,001.66
  6. Step 6: Final answer
    x = 16,609.90

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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.