Home / 21,591.74-32,348.73-18,077.96

Finding the Fourth Proportional to 21,591.74, 32,348.73 and 18,077.96

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Solution

The fourth proportional to 21,591.74, 32,348.73 and 18,077.96 is: 27,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.74 : 32,348.73 = 18,077.96 : x
  2. Step 2: Convert to fraction form
    21,591.74/32,348.73 = 18,077.96/x
  3. Step 3: Cross multiply
    21,591.74x = 32,348.73 × 18,077.96
  4. Step 4: Simplify right side
    21,591.74x = 584,799,046.99
  5. Step 5: Solve for x
    x = 584,799,046.99/21,591.74
  6. Step 6: Final answer
    x = 27,084.39

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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.