Home / 25,497.90-38,237.07-8,396.78

Finding the Fourth Proportional to 25,497.90, 38,237.07 and 8,396.78

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Solution

The fourth proportional to 25,497.90, 38,237.07 and 8,396.78 is: 12,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.90 : 38,237.07 = 8,396.78 : x
  2. Step 2: Convert to fraction form
    25,497.90/38,237.07 = 8,396.78/x
  3. Step 3: Cross multiply
    25,497.90x = 38,237.07 × 8,396.78
  4. Step 4: Simplify right side
    25,497.90x = 321,068,073.45
  5. Step 5: Solve for x
    x = 321,068,073.45/25,497.90
  6. Step 6: Final answer
    x = 12,591.94

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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.