Home / 27,115.61-37,419.14-15,178.92

Finding the Fourth Proportional to 27,115.61, 37,419.14 and 15,178.92

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Solution

The fourth proportional to 27,115.61, 37,419.14 and 15,178.92 is: 20,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.61 : 37,419.14 = 15,178.92 : x
  2. Step 2: Convert to fraction form
    27,115.61/37,419.14 = 15,178.92/x
  3. Step 3: Cross multiply
    27,115.61x = 37,419.14 × 15,178.92
  4. Step 4: Simplify right side
    27,115.61x = 567,982,056.63
  5. Step 5: Solve for x
    x = 567,982,056.63/27,115.61
  6. Step 6: Final answer
    x = 20,946.69

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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.