Home / 13,591.24-20,383.70-3,731.31

Finding the Fourth Proportional to 13,591.24, 20,383.70 and 3,731.31

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Solution

The fourth proportional to 13,591.24, 20,383.70 and 3,731.31 is: 5,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.24 : 20,383.70 = 3,731.31 : x
  2. Step 2: Convert to fraction form
    13,591.24/20,383.70 = 3,731.31/x
  3. Step 3: Cross multiply
    13,591.24x = 20,383.70 × 3,731.31
  4. Step 4: Simplify right side
    13,591.24x = 76,057,884.99
  5. Step 5: Solve for x
    x = 76,057,884.99/13,591.24
  6. Step 6: Final answer
    x = 5,596.10

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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.