Home / 13,909.32-20,857.50-6,003.72

Finding the Fourth Proportional to 13,909.32, 20,857.50 and 6,003.72

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Solution

The fourth proportional to 13,909.32, 20,857.50 and 6,003.72 is: 9,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.32 : 20,857.50 = 6,003.72 : x
  2. Step 2: Convert to fraction form
    13,909.32/20,857.50 = 6,003.72/x
  3. Step 3: Cross multiply
    13,909.32x = 20,857.50 × 6,003.72
  4. Step 4: Simplify right side
    13,909.32x = 125,222,589.90
  5. Step 5: Solve for x
    x = 125,222,589.90/13,909.32
  6. Step 6: Final answer
    x = 9,002.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.