Home / 22,766.40-34,147.68-12,874.56

Finding the Fourth Proportional to 22,766.40, 34,147.68 and 12,874.56

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Solution

The fourth proportional to 22,766.40, 34,147.68 and 12,874.56 is: 19,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.40 : 34,147.68 = 12,874.56 : x
  2. Step 2: Convert to fraction form
    22,766.40/34,147.68 = 12,874.56/x
  3. Step 3: Cross multiply
    22,766.40x = 34,147.68 × 12,874.56
  4. Step 4: Simplify right side
    22,766.40x = 439,636,355.02
  5. Step 5: Solve for x
    x = 439,636,355.02/22,766.40
  6. Step 6: Final answer
    x = 19,310.75

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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.