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Finding the Fourth Proportional to 14,819.16, 20,450.16 and 8,104.44

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Solution

The fourth proportional to 14,819.16, 20,450.16 and 8,104.44 is: 11,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.16 : 20,450.16 = 8,104.44 : x
  2. Step 2: Convert to fraction form
    14,819.16/20,450.16 = 8,104.44/x
  3. Step 3: Cross multiply
    14,819.16x = 20,450.16 × 8,104.44
  4. Step 4: Simplify right side
    14,819.16x = 165,737,094.71
  5. Step 5: Solve for x
    x = 165,737,094.71/14,819.16
  6. Step 6: Final answer
    x = 11,183.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.