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Finding the Fourth Proportional to 18,001.15, 24,841.40 and 9,934.88

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Solution

The fourth proportional to 18,001.15, 24,841.40 and 9,934.88 is: 13,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.15 : 24,841.40 = 9,934.88 : x
  2. Step 2: Convert to fraction form
    18,001.15/24,841.40 = 9,934.88/x
  3. Step 3: Cross multiply
    18,001.15x = 24,841.40 × 9,934.88
  4. Step 4: Simplify right side
    18,001.15x = 246,796,154.15
  5. Step 5: Solve for x
    x = 246,796,154.15/18,001.15
  6. Step 6: Final answer
    x = 13,710.02

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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.