Home / 25,922.50-38,882.36-8,390.95

Finding the Fourth Proportional to 25,922.50, 38,882.36 and 8,390.95

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Solution

The fourth proportional to 25,922.50, 38,882.36 and 8,390.95 is: 12,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922.50 : 38,882.36 = 8,390.95 : x
  2. Step 2: Convert to fraction form
    25,922.50/38,882.36 = 8,390.95/x
  3. Step 3: Cross multiply
    25,922.50x = 38,882.36 × 8,390.95
  4. Step 4: Simplify right side
    25,922.50x = 326,259,862.41
  5. Step 5: Solve for x
    x = 326,259,862.41/25,922.50
  6. Step 6: Final answer
    x = 12,585.97

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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.