Home / 18,169.38-25,084.08-11,801.70

Finding the Fourth Proportional to 18,169.38, 25,084.08 and 11,801.70

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Solution

The fourth proportional to 18,169.38, 25,084.08 and 11,801.70 is: 16,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.38 : 25,084.08 = 11,801.70 : x
  2. Step 2: Convert to fraction form
    18,169.38/25,084.08 = 11,801.70/x
  3. Step 3: Cross multiply
    18,169.38x = 25,084.08 × 11,801.70
  4. Step 4: Simplify right side
    18,169.38x = 296,034,786.94
  5. Step 5: Solve for x
    x = 296,034,786.94/18,169.38
  6. Step 6: Final answer
    x = 16,293.06

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Half scale
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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.