Home / 22,786.98-31,446.33-13,229.10

Finding the Fourth Proportional to 22,786.98, 31,446.33 and 13,229.10

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Solution

The fourth proportional to 22,786.98, 31,446.33 and 13,229.10 is: 18,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.98 : 31,446.33 = 13,229.10 : x
  2. Step 2: Convert to fraction form
    22,786.98/31,446.33 = 13,229.10/x
  3. Step 3: Cross multiply
    22,786.98x = 31,446.33 × 13,229.10
  4. Step 4: Simplify right side
    22,786.98x = 416,006,644.20
  5. Step 5: Solve for x
    x = 416,006,644.20/22,786.98
  6. Step 6: Final answer
    x = 18,256.33

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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.