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Finding the Fourth Proportional to 16,395.44, 22,626 and 8,943.44

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Solution

The fourth proportional to 16,395.44, 22,626 and 8,943.44 is: 12,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.44 : 22,626 = 8,943.44 : x
  2. Step 2: Convert to fraction form
    16,395.44/22,626 = 8,943.44/x
  3. Step 3: Cross multiply
    16,395.44x = 22,626 × 8,943.44
  4. Step 4: Simplify right side
    16,395.44x = 202,354,273.44
  5. Step 5: Solve for x
    x = 202,354,273.44/16,395.44
  6. Step 6: Final answer
    x = 12,342.11

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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.