Home / 18,211.44-27,310.56-6,361.89

Finding the Fourth Proportional to 18,211.44, 27,310.56 and 6,361.89

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Solution

The fourth proportional to 18,211.44, 27,310.56 and 6,361.89 is: 9,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.44 : 27,310.56 = 6,361.89 : x
  2. Step 2: Convert to fraction form
    18,211.44/27,310.56 = 6,361.89/x
  3. Step 3: Cross multiply
    18,211.44x = 27,310.56 × 6,361.89
  4. Step 4: Simplify right side
    18,211.44x = 173,746,778.56
  5. Step 5: Solve for x
    x = 173,746,778.56/18,211.44
  6. Step 6: Final answer
    x = 9,540.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.