Home / 13,755.38-20,633.47-3,367.13

Finding the Fourth Proportional to 13,755.38, 20,633.47 and 3,367.13

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Solution

The fourth proportional to 13,755.38, 20,633.47 and 3,367.13 is: 5,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.38 : 20,633.47 = 3,367.13 : x
  2. Step 2: Convert to fraction form
    13,755.38/20,633.47 = 3,367.13/x
  3. Step 3: Cross multiply
    13,755.38x = 20,633.47 × 3,367.13
  4. Step 4: Simplify right side
    13,755.38x = 69,475,464.26
  5. Step 5: Solve for x
    x = 69,475,464.26/13,755.38
  6. Step 6: Final answer
    x = 5,050.79

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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.