Home / 18,171.14-27,246.17-8,305.13

Finding the Fourth Proportional to 18,171.14, 27,246.17 and 8,305.13

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Solution

The fourth proportional to 18,171.14, 27,246.17 and 8,305.13 is: 12,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.14 : 27,246.17 = 8,305.13 : x
  2. Step 2: Convert to fraction form
    18,171.14/27,246.17 = 8,305.13/x
  3. Step 3: Cross multiply
    18,171.14x = 27,246.17 × 8,305.13
  4. Step 4: Simplify right side
    18,171.14x = 226,283,072.73
  5. Step 5: Solve for x
    x = 226,283,072.73/18,171.14
  6. Step 6: Final answer
    x = 12,452.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.