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Finding the Fourth Proportional to 13,443, 20,183.04 and 9,273.12

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Solution

The fourth proportional to 13,443, 20,183.04 and 9,273.12 is: 13,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443 : 20,183.04 = 9,273.12 : x
  2. Step 2: Convert to fraction form
    13,443/20,183.04 = 9,273.12/x
  3. Step 3: Cross multiply
    13,443x = 20,183.04 × 9,273.12
  4. Step 4: Simplify right side
    13,443x = 187,159,751.88
  5. Step 5: Solve for x
    x = 187,159,751.88/13,443
  6. Step 6: Final answer
    x = 13,922.47

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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.