Home / 27,538.97-38,003.88-14,963.72

Finding the Fourth Proportional to 27,538.97, 38,003.88 and 14,963.72

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Solution

The fourth proportional to 27,538.97, 38,003.88 and 14,963.72 is: 20,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.97 : 38,003.88 = 14,963.72 : x
  2. Step 2: Convert to fraction form
    27,538.97/38,003.88 = 14,963.72/x
  3. Step 3: Cross multiply
    27,538.97x = 38,003.88 × 14,963.72
  4. Step 4: Simplify right side
    27,538.97x = 568,679,419.23
  5. Step 5: Solve for x
    x = 568,679,419.23/27,538.97
  6. Step 6: Final answer
    x = 20,649.99

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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.