Home / 14,480.97-21,721.65-4,092.72

Finding the Fourth Proportional to 14,480.97, 21,721.65 and 4,092.72

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Solution

The fourth proportional to 14,480.97, 21,721.65 and 4,092.72 is: 6,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.97 : 21,721.65 = 4,092.72 : x
  2. Step 2: Convert to fraction form
    14,480.97/21,721.65 = 4,092.72/x
  3. Step 3: Cross multiply
    14,480.97x = 21,721.65 × 4,092.72
  4. Step 4: Simplify right side
    14,480.97x = 88,900,631.39
  5. Step 5: Solve for x
    x = 88,900,631.39/14,480.97
  6. Step 6: Final answer
    x = 6,139.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.