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Finding the Fourth Proportional to 14,850.60, 20,494.04 and 8,136.08

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Solution

The fourth proportional to 14,850.60, 20,494.04 and 8,136.08 is: 11,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850.60 : 20,494.04 = 8,136.08 : x
  2. Step 2: Convert to fraction form
    14,850.60/20,494.04 = 8,136.08/x
  3. Step 3: Cross multiply
    14,850.60x = 20,494.04 × 8,136.08
  4. Step 4: Simplify right side
    14,850.60x = 166,741,148.96
  5. Step 5: Solve for x
    x = 166,741,148.96/14,850.60
  6. Step 6: Final answer
    x = 11,227.91

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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.