Home / 38,150.14-57,211.14-13,183.78

Finding the Fourth Proportional to 38,150.14, 57,211.14 and 13,183.78

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Solution

The fourth proportional to 38,150.14, 57,211.14 and 13,183.78 is: 19,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.14 : 57,211.14 = 13,183.78 : x
  2. Step 2: Convert to fraction form
    38,150.14/57,211.14 = 13,183.78/x
  3. Step 3: Cross multiply
    38,150.14x = 57,211.14 × 13,183.78
  4. Step 4: Simplify right side
    38,150.14x = 754,259,083.31
  5. Step 5: Solve for x
    x = 754,259,083.31/38,150.14
  6. Step 6: Final answer
    x = 19,770.81

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1.5x scale

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.