Home / 18,338.46-25,306.31-10,272.89

Finding the Fourth Proportional to 18,338.46, 25,306.31 and 10,272.89

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Solution

The fourth proportional to 18,338.46, 25,306.31 and 10,272.89 is: 14,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.46 : 25,306.31 = 10,272.89 : x
  2. Step 2: Convert to fraction form
    18,338.46/25,306.31 = 10,272.89/x
  3. Step 3: Cross multiply
    18,338.46x = 25,306.31 × 10,272.89
  4. Step 4: Simplify right side
    18,338.46x = 259,968,761.04
  5. Step 5: Solve for x
    x = 259,968,761.04/18,338.46
  6. Step 6: Final answer
    x = 14,176.15

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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.