Home / 22,862.24-31,548.42-12,788.96

Finding the Fourth Proportional to 22,862.24, 31,548.42 and 12,788.96

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Solution

The fourth proportional to 22,862.24, 31,548.42 and 12,788.96 is: 17,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.24 : 31,548.42 = 12,788.96 : x
  2. Step 2: Convert to fraction form
    22,862.24/31,548.42 = 12,788.96/x
  3. Step 3: Cross multiply
    22,862.24x = 31,548.42 × 12,788.96
  4. Step 4: Simplify right side
    22,862.24x = 403,471,481.44
  5. Step 5: Solve for x
    x = 403,471,481.44/22,862.24
  6. Step 6: Final answer
    x = 17,647.94

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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.