Home / 13,591.17-20,383.56-3,731.22

Finding the Fourth Proportional to 13,591.17, 20,383.56 and 3,731.22

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Solution

The fourth proportional to 13,591.17, 20,383.56 and 3,731.22 is: 5,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.17 : 20,383.56 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    13,591.17/20,383.56 = 3,731.22/x
  3. Step 3: Cross multiply
    13,591.17x = 20,383.56 × 3,731.22
  4. Step 4: Simplify right side
    13,591.17x = 76,055,546.74
  5. Step 5: Solve for x
    x = 76,055,546.74/13,591.17
  6. Step 6: Final answer
    x = 5,595.95

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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.