Home / 13,766.31-20,644.23-5,863.86

Finding the Fourth Proportional to 13,766.31, 20,644.23 and 5,863.86

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Solution

The fourth proportional to 13,766.31, 20,644.23 and 5,863.86 is: 8,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.31 : 20,644.23 = 5,863.86 : x
  2. Step 2: Convert to fraction form
    13,766.31/20,644.23 = 5,863.86/x
  3. Step 3: Cross multiply
    13,766.31x = 20,644.23 × 5,863.86
  4. Step 4: Simplify right side
    13,766.31x = 121,054,874.53
  5. Step 5: Solve for x
    x = 121,054,874.53/13,766.31
  6. Step 6: Final answer
    x = 8,793.56

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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.