Home / 27,237.38-37,589.19-20,511.14

Finding the Fourth Proportional to 27,237.38, 37,589.19 and 20,511.14

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Solution

The fourth proportional to 27,237.38, 37,589.19 and 20,511.14 is: 28,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,237.38 : 37,589.19 = 20,511.14 : x
  2. Step 2: Convert to fraction form
    27,237.38/37,589.19 = 20,511.14/x
  3. Step 3: Cross multiply
    27,237.38x = 37,589.19 × 20,511.14
  4. Step 4: Simplify right side
    27,237.38x = 770,997,138.58
  5. Step 5: Solve for x
    x = 770,997,138.58/27,237.38
  6. Step 6: Final answer
    x = 28,306.58

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Half scale
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Double scale
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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.