Home / 25,591.16-38,390.33-8,947.42

Finding the Fourth Proportional to 25,591.16, 38,390.33 and 8,947.42

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Solution

The fourth proportional to 25,591.16, 38,390.33 and 8,947.42 is: 13,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.16 : 38,390.33 = 8,947.42 : x
  2. Step 2: Convert to fraction form
    25,591.16/38,390.33 = 8,947.42/x
  3. Step 3: Cross multiply
    25,591.16x = 38,390.33 × 8,947.42
  4. Step 4: Simplify right side
    25,591.16x = 343,494,332.84
  5. Step 5: Solve for x
    x = 343,494,332.84/25,591.16
  6. Step 6: Final answer
    x = 13,422.38

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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.