Home / 22,654.14-31,262.91-13,220.86

Finding the Fourth Proportional to 22,654.14, 31,262.91 and 13,220.86

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Solution

The fourth proportional to 22,654.14, 31,262.91 and 13,220.86 is: 18,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.14 : 31,262.91 = 13,220.86 : x
  2. Step 2: Convert to fraction form
    22,654.14/31,262.91 = 13,220.86/x
  3. Step 3: Cross multiply
    22,654.14x = 31,262.91 × 13,220.86
  4. Step 4: Simplify right side
    22,654.14x = 413,322,556.30
  5. Step 5: Solve for x
    x = 413,322,556.30/22,654.14
  6. Step 6: Final answer
    x = 18,244.90

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1.5x scale

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.