Home / 17,643.20-26,464.80-13,750.52

Finding the Fourth Proportional to 17,643.20, 26,464.80 and 13,750.52

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Solution

The fourth proportional to 17,643.20, 26,464.80 and 13,750.52 is: 20,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.20 : 26,464.80 = 13,750.52 : x
  2. Step 2: Convert to fraction form
    17,643.20/26,464.80 = 13,750.52/x
  3. Step 3: Cross multiply
    17,643.20x = 26,464.80 × 13,750.52
  4. Step 4: Simplify right side
    17,643.20x = 363,904,761.70
  5. Step 5: Solve for x
    x = 363,904,761.70/17,643.20
  6. Step 6: Final answer
    x = 20,625.78

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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.