Home / 16,620.92-24,942.20-8,835.20

Finding the Fourth Proportional to 16,620.92, 24,942.20 and 8,835.20

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Solution

The fourth proportional to 16,620.92, 24,942.20 and 8,835.20 is: 13,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.92 : 24,942.20 = 8,835.20 : x
  2. Step 2: Convert to fraction form
    16,620.92/24,942.20 = 8,835.20/x
  3. Step 3: Cross multiply
    16,620.92x = 24,942.20 × 8,835.20
  4. Step 4: Simplify right side
    16,620.92x = 220,369,325.44
  5. Step 5: Solve for x
    x = 220,369,325.44/16,620.92
  6. Step 6: Final answer
    x = 13,258.55

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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.