Home / 13,380.96-20,077.92-5,592

Finding the Fourth Proportional to 13,380.96, 20,077.92 and 5,592

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Solution

The fourth proportional to 13,380.96, 20,077.92 and 5,592 is: 8,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.96 : 20,077.92 = 5,592 : x
  2. Step 2: Convert to fraction form
    13,380.96/20,077.92 = 5,592/x
  3. Step 3: Cross multiply
    13,380.96x = 20,077.92 × 5,592
  4. Step 4: Simplify right side
    13,380.96x = 112,275,728.64
  5. Step 5: Solve for x
    x = 112,275,728.64/13,380.96
  6. Step 6: Final answer
    x = 8,390.71

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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.