Home / 13,757.25-20,620.11-6,252.74

Finding the Fourth Proportional to 13,757.25, 20,620.11 and 6,252.74

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Solution

The fourth proportional to 13,757.25, 20,620.11 and 6,252.74 is: 9,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.25 : 20,620.11 = 6,252.74 : x
  2. Step 2: Convert to fraction form
    13,757.25/20,620.11 = 6,252.74/x
  3. Step 3: Cross multiply
    13,757.25x = 20,620.11 × 6,252.74
  4. Step 4: Simplify right side
    13,757.25x = 128,932,184.27
  5. Step 5: Solve for x
    x = 128,932,184.27/13,757.25
  6. Step 6: Final answer
    x = 9,371.94

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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.