Home / 26,469.61-39,716.42-13,155.88

Finding the Fourth Proportional to 26,469.61, 39,716.42 and 13,155.88

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Solution

The fourth proportional to 26,469.61, 39,716.42 and 13,155.88 is: 19,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.61 : 39,716.42 = 13,155.88 : x
  2. Step 2: Convert to fraction form
    26,469.61/39,716.42 = 13,155.88/x
  3. Step 3: Cross multiply
    26,469.61x = 39,716.42 × 13,155.88
  4. Step 4: Simplify right side
    26,469.61x = 522,504,455.55
  5. Step 5: Solve for x
    x = 522,504,455.55/26,469.61
  6. Step 6: Final answer
    x = 19,739.79

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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.