Home / 18,174.38-25,081.04-11,104.70

Finding the Fourth Proportional to 18,174.38, 25,081.04 and 11,104.70

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Solution

The fourth proportional to 18,174.38, 25,081.04 and 11,104.70 is: 15,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.38 : 25,081.04 = 11,104.70 : x
  2. Step 2: Convert to fraction form
    18,174.38/25,081.04 = 11,104.70/x
  3. Step 3: Cross multiply
    18,174.38x = 25,081.04 × 11,104.70
  4. Step 4: Simplify right side
    18,174.38x = 278,517,327.24
  5. Step 5: Solve for x
    x = 278,517,327.24/18,174.38
  6. Step 6: Final answer
    x = 15,324.73

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Double scale
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Similar ratio
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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.