Home / 25,674.12-38,517.35-8,143.92

Finding the Fourth Proportional to 25,674.12, 38,517.35 and 8,143.92

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Solution

The fourth proportional to 25,674.12, 38,517.35 and 8,143.92 is: 12,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.12 : 38,517.35 = 8,143.92 : x
  2. Step 2: Convert to fraction form
    25,674.12/38,517.35 = 8,143.92/x
  3. Step 3: Cross multiply
    25,674.12x = 38,517.35 × 8,143.92
  4. Step 4: Simplify right side
    25,674.12x = 313,682,176.29
  5. Step 5: Solve for x
    x = 313,682,176.29/25,674.12
  6. Step 6: Final answer
    x = 12,217.84

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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.