Home / 13,454.61-20,179.53-4,092.36

Finding the Fourth Proportional to 13,454.61, 20,179.53 and 4,092.36

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Solution

The fourth proportional to 13,454.61, 20,179.53 and 4,092.36 is: 6,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.61 : 20,179.53 = 4,092.36 : x
  2. Step 2: Convert to fraction form
    13,454.61/20,179.53 = 4,092.36/x
  3. Step 3: Cross multiply
    13,454.61x = 20,179.53 × 4,092.36
  4. Step 4: Simplify right side
    13,454.61x = 82,581,901.39
  5. Step 5: Solve for x
    x = 82,581,901.39/13,454.61
  6. Step 6: Final answer
    x = 6,137.81

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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.