Home / 25,177.12-37,770.24-10,378

Finding the Fourth Proportional to 25,177.12, 37,770.24 and 10,378

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Solution

The fourth proportional to 25,177.12, 37,770.24 and 10,378 is: 15,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.12 : 37,770.24 = 10,378 : x
  2. Step 2: Convert to fraction form
    25,177.12/37,770.24 = 10,378/x
  3. Step 3: Cross multiply
    25,177.12x = 37,770.24 × 10,378
  4. Step 4: Simplify right side
    25,177.12x = 391,979,550.72
  5. Step 5: Solve for x
    x = 391,979,550.72/25,177.12
  6. Step 6: Final answer
    x = 15,568.88

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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.