Home / 25,435.28-38,160.38-11,392.18

Finding the Fourth Proportional to 25,435.28, 38,160.38 and 11,392.18

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Solution

The fourth proportional to 25,435.28, 38,160.38 and 11,392.18 is: 17,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.28 : 38,160.38 = 11,392.18 : x
  2. Step 2: Convert to fraction form
    25,435.28/38,160.38 = 11,392.18/x
  3. Step 3: Cross multiply
    25,435.28x = 38,160.38 × 11,392.18
  4. Step 4: Simplify right side
    25,435.28x = 434,729,850.91
  5. Step 5: Solve for x
    x = 434,729,850.91/25,435.28
  6. Step 6: Final answer
    x = 17,091.61

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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.