Home / 23,115.88-31,898.10-13,046.77

Finding the Fourth Proportional to 23,115.88, 31,898.10 and 13,046.77

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Solution

The fourth proportional to 23,115.88, 31,898.10 and 13,046.77 is: 18,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.88 : 31,898.10 = 13,046.77 : x
  2. Step 2: Convert to fraction form
    23,115.88/31,898.10 = 13,046.77/x
  3. Step 3: Cross multiply
    23,115.88x = 31,898.10 × 13,046.77
  4. Step 4: Simplify right side
    23,115.88x = 416,167,174.14
  5. Step 5: Solve for x
    x = 416,167,174.14/23,115.88
  6. Step 6: Final answer
    x = 18,003.52

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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.