Home / 25,611.60-38,414.88-8,968.56

Finding the Fourth Proportional to 25,611.60, 38,414.88 and 8,968.56

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Solution

The fourth proportional to 25,611.60, 38,414.88 and 8,968.56 is: 13,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.60 : 38,414.88 = 8,968.56 : x
  2. Step 2: Convert to fraction form
    25,611.60/38,414.88 = 8,968.56/x
  3. Step 3: Cross multiply
    25,611.60x = 38,414.88 × 8,968.56
  4. Step 4: Simplify right side
    25,611.60x = 344,526,156.17
  5. Step 5: Solve for x
    x = 344,526,156.17/25,611.60
  6. Step 6: Final answer
    x = 13,451.96

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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.