Home / 13,844.52-20,766.76-3,456.28

Finding the Fourth Proportional to 13,844.52, 20,766.76 and 3,456.28

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Solution

The fourth proportional to 13,844.52, 20,766.76 and 3,456.28 is: 5,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.52 : 20,766.76 = 3,456.28 : x
  2. Step 2: Convert to fraction form
    13,844.52/20,766.76 = 3,456.28/x
  3. Step 3: Cross multiply
    13,844.52x = 20,766.76 × 3,456.28
  4. Step 4: Simplify right side
    13,844.52x = 71,775,737.25
  5. Step 5: Solve for x
    x = 71,775,737.25/13,844.52
  6. Step 6: Final answer
    x = 5,184.42

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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.