Home / 15,305.11-22,957.65-4,211.86

Finding the Fourth Proportional to 15,305.11, 22,957.65 and 4,211.86

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Solution

The fourth proportional to 15,305.11, 22,957.65 and 4,211.86 is: 6,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.11 : 22,957.65 = 4,211.86 : x
  2. Step 2: Convert to fraction form
    15,305.11/22,957.65 = 4,211.86/x
  3. Step 3: Cross multiply
    15,305.11x = 22,957.65 × 4,211.86
  4. Step 4: Simplify right side
    15,305.11x = 96,694,407.73
  5. Step 5: Solve for x
    x = 96,694,407.73/15,305.11
  6. Step 6: Final answer
    x = 6,317.79

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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.