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Finding the Fourth Proportional to 18,001.34, 24,842.14 and 9,935.38

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Solution

The fourth proportional to 18,001.34, 24,842.14 and 9,935.38 is: 13,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.34 : 24,842.14 = 9,935.38 : x
  2. Step 2: Convert to fraction form
    18,001.34/24,842.14 = 9,935.38/x
  3. Step 3: Cross multiply
    18,001.34x = 24,842.14 × 9,935.38
  4. Step 4: Simplify right side
    18,001.34x = 246,816,232.88
  5. Step 5: Solve for x
    x = 246,816,232.88/18,001.34
  6. Step 6: Final answer
    x = 13,710.99

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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.