Home / 25,378.88-38,076.11-11,350.71

Finding the Fourth Proportional to 25,378.88, 38,076.11 and 11,350.71

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Solution

The fourth proportional to 25,378.88, 38,076.11 and 11,350.71 is: 17,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.88 : 38,076.11 = 11,350.71 : x
  2. Step 2: Convert to fraction form
    25,378.88/38,076.11 = 11,350.71/x
  3. Step 3: Cross multiply
    25,378.88x = 38,076.11 × 11,350.71
  4. Step 4: Simplify right side
    25,378.88x = 432,190,882.54
  5. Step 5: Solve for x
    x = 432,190,882.54/25,378.88
  6. Step 6: Final answer
    x = 17,029.55

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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.