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Finding the Fourth Proportional to 16,395.96, 22,626.54 and 9,321.96

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Solution

The fourth proportional to 16,395.96, 22,626.54 and 9,321.96 is: 12,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.96 : 22,626.54 = 9,321.96 : x
  2. Step 2: Convert to fraction form
    16,395.96/22,626.54 = 9,321.96/x
  3. Step 3: Cross multiply
    16,395.96x = 22,626.54 × 9,321.96
  4. Step 4: Simplify right side
    16,395.96x = 210,923,700.82
  5. Step 5: Solve for x
    x = 210,923,700.82/16,395.96
  6. Step 6: Final answer
    x = 12,864.37

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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.