Home / 27,126.12-37,432.38-15,187.44

Finding the Fourth Proportional to 27,126.12, 37,432.38 and 15,187.44

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Solution

The fourth proportional to 27,126.12, 37,432.38 and 15,187.44 is: 20,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.12 : 37,432.38 = 15,187.44 : x
  2. Step 2: Convert to fraction form
    27,126.12/37,432.38 = 15,187.44/x
  3. Step 3: Cross multiply
    27,126.12x = 37,432.38 × 15,187.44
  4. Step 4: Simplify right side
    27,126.12x = 568,502,025.31
  5. Step 5: Solve for x
    x = 568,502,025.31/27,126.12
  6. Step 6: Final answer
    x = 20,957.73

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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.