Home / 16,608.30-24,920.55-12,658.20

Finding the Fourth Proportional to 16,608.30, 24,920.55 and 12,658.20

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Solution

The fourth proportional to 16,608.30, 24,920.55 and 12,658.20 is: 18,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.30 : 24,920.55 = 12,658.20 : x
  2. Step 2: Convert to fraction form
    16,608.30/24,920.55 = 12,658.20/x
  3. Step 3: Cross multiply
    16,608.30x = 24,920.55 × 12,658.20
  4. Step 4: Simplify right side
    16,608.30x = 315,449,306.01
  5. Step 5: Solve for x
    x = 315,449,306.01/16,608.30
  6. Step 6: Final answer
    x = 18,993.47

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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.