Home / 23,163.22-34,791.32-13,821.47

Finding the Fourth Proportional to 23,163.22, 34,791.32 and 13,821.47

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Solution

The fourth proportional to 23,163.22, 34,791.32 and 13,821.47 is: 20,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.22 : 34,791.32 = 13,821.47 : x
  2. Step 2: Convert to fraction form
    23,163.22/34,791.32 = 13,821.47/x
  3. Step 3: Cross multiply
    23,163.22x = 34,791.32 × 13,821.47
  4. Step 4: Simplify right side
    23,163.22x = 480,867,185.64
  5. Step 5: Solve for x
    x = 480,867,185.64/23,163.22
  6. Step 6: Final answer
    x = 20,759.95

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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.