Home / 13,863.60-20,791.29-4,002.96

Finding the Fourth Proportional to 13,863.60, 20,791.29 and 4,002.96

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Solution

The fourth proportional to 13,863.60, 20,791.29 and 4,002.96 is: 6,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.60 : 20,791.29 = 4,002.96 : x
  2. Step 2: Convert to fraction form
    13,863.60/20,791.29 = 4,002.96/x
  3. Step 3: Cross multiply
    13,863.60x = 20,791.29 × 4,002.96
  4. Step 4: Simplify right side
    13,863.60x = 83,226,702.22
  5. Step 5: Solve for x
    x = 83,226,702.22/13,863.60
  6. Step 6: Final answer
    x = 6,003.25

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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.