Home / 13,761.24-20,624.49-7,508.22

Finding the Fourth Proportional to 13,761.24, 20,624.49 and 7,508.22

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Solution

The fourth proportional to 13,761.24, 20,624.49 and 7,508.22 is: 11,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.24 : 20,624.49 = 7,508.22 : x
  2. Step 2: Convert to fraction form
    13,761.24/20,624.49 = 7,508.22/x
  3. Step 3: Cross multiply
    13,761.24x = 20,624.49 × 7,508.22
  4. Step 4: Simplify right side
    13,761.24x = 154,853,208.31
  5. Step 5: Solve for x
    x = 154,853,208.31/13,761.24
  6. Step 6: Final answer
    x = 11,252.85

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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.