Home / 13,474.03-20,195.72-8,197.41

Finding the Fourth Proportional to 13,474.03, 20,195.72 and 8,197.41

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Solution

The fourth proportional to 13,474.03, 20,195.72 and 8,197.41 is: 12,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.03 : 20,195.72 = 8,197.41 : x
  2. Step 2: Convert to fraction form
    13,474.03/20,195.72 = 8,197.41/x
  3. Step 3: Cross multiply
    13,474.03x = 20,195.72 × 8,197.41
  4. Step 4: Simplify right side
    13,474.03x = 165,552,564.61
  5. Step 5: Solve for x
    x = 165,552,564.61/13,474.03
  6. Step 6: Final answer
    x = 12,286.79

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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.