Home / 27,359.39-37,753.69-15,425.66

Finding the Fourth Proportional to 27,359.39, 37,753.69 and 15,425.66

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Solution

The fourth proportional to 27,359.39, 37,753.69 and 15,425.66 is: 21,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.39 : 37,753.69 = 15,425.66 : x
  2. Step 2: Convert to fraction form
    27,359.39/37,753.69 = 15,425.66/x
  3. Step 3: Cross multiply
    27,359.39x = 37,753.69 × 15,425.66
  4. Step 4: Simplify right side
    27,359.39x = 582,375,585.69
  5. Step 5: Solve for x
    x = 582,375,585.69/27,359.39
  6. Step 6: Final answer
    x = 21,286.13

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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.