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Finding the Fourth Proportional to 14,494.44, 20,000.42 and 9,179.88

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Solution

The fourth proportional to 14,494.44, 20,000.42 and 9,179.88 is: 12,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.44 : 20,000.42 = 9,179.88 : x
  2. Step 2: Convert to fraction form
    14,494.44/20,000.42 = 9,179.88/x
  3. Step 3: Cross multiply
    14,494.44x = 20,000.42 × 9,179.88
  4. Step 4: Simplify right side
    14,494.44x = 183,601,455.55
  5. Step 5: Solve for x
    x = 183,601,455.55/14,494.44
  6. Step 6: Final answer
    x = 12,667.03

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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.