Home / 22,735.09-31,375.17-12,525.58

Finding the Fourth Proportional to 22,735.09, 31,375.17 and 12,525.58

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Solution

The fourth proportional to 22,735.09, 31,375.17 and 12,525.58 is: 17,285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.09 : 31,375.17 = 12,525.58 : x
  2. Step 2: Convert to fraction form
    22,735.09/31,375.17 = 12,525.58/x
  3. Step 3: Cross multiply
    22,735.09x = 31,375.17 × 12,525.58
  4. Step 4: Simplify right side
    22,735.09x = 392,992,201.85
  5. Step 5: Solve for x
    x = 392,992,201.85/22,735.09
  6. Step 6: Final answer
    x = 17,285.71

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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.