Home / 22,605.89-31,202.62-13,651.88

Finding the Fourth Proportional to 22,605.89, 31,202.62 and 13,651.88

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Solution

The fourth proportional to 22,605.89, 31,202.62 and 13,651.88 is: 18,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.89 : 31,202.62 = 13,651.88 : x
  2. Step 2: Convert to fraction form
    22,605.89/31,202.62 = 13,651.88/x
  3. Step 3: Cross multiply
    22,605.89x = 31,202.62 × 13,651.88
  4. Step 4: Simplify right side
    22,605.89x = 425,974,233.78
  5. Step 5: Solve for x
    x = 425,974,233.78/22,605.89
  6. Step 6: Final answer
    x = 18,843.51

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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.