Home / 27,108.38-37,410.41-15,171.69

Finding the Fourth Proportional to 27,108.38, 37,410.41 and 15,171.69

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Solution

The fourth proportional to 27,108.38, 37,410.41 and 15,171.69 is: 20,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.38 : 37,410.41 = 15,171.69 : x
  2. Step 2: Convert to fraction form
    27,108.38/37,410.41 = 15,171.69/x
  3. Step 3: Cross multiply
    27,108.38x = 37,410.41 × 15,171.69
  4. Step 4: Simplify right side
    27,108.38x = 567,579,067.43
  5. Step 5: Solve for x
    x = 567,579,067.43/27,108.38
  6. Step 6: Final answer
    x = 20,937.41

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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.