Home / 25,631.90-38,447.60-8,101.73

Finding the Fourth Proportional to 25,631.90, 38,447.60 and 8,101.73

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Solution

The fourth proportional to 25,631.90, 38,447.60 and 8,101.73 is: 12,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.90 : 38,447.60 = 8,101.73 : x
  2. Step 2: Convert to fraction form
    25,631.90/38,447.60 = 8,101.73/x
  3. Step 3: Cross multiply
    25,631.90x = 38,447.60 × 8,101.73
  4. Step 4: Simplify right side
    25,631.90x = 311,491,902.36
  5. Step 5: Solve for x
    x = 311,491,902.36/25,631.90
  6. Step 6: Final answer
    x = 12,152.51

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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.