Home / 22,650.50-31,252.66-13,697.82

Finding the Fourth Proportional to 22,650.50, 31,252.66 and 13,697.82

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Solution

The fourth proportional to 22,650.50, 31,252.66 and 13,697.82 is: 18,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.50 : 31,252.66 = 13,697.82 : x
  2. Step 2: Convert to fraction form
    22,650.50/31,252.66 = 13,697.82/x
  3. Step 3: Cross multiply
    22,650.50x = 31,252.66 × 13,697.82
  4. Step 4: Simplify right side
    22,650.50x = 428,093,276.96
  5. Step 5: Solve for x
    x = 428,093,276.96/22,650.50
  6. Step 6: Final answer
    x = 18,899.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.