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Finding the Fourth Proportional to 16,248.36, 22,422.71 and 8,796.36

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Solution

The fourth proportional to 16,248.36, 22,422.71 and 8,796.36 is: 12,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,248.36 : 22,422.71 = 8,796.36 : x
  2. Step 2: Convert to fraction form
    16,248.36/22,422.71 = 8,796.36/x
  3. Step 3: Cross multiply
    16,248.36x = 22,422.71 × 8,796.36
  4. Step 4: Simplify right side
    16,248.36x = 197,238,229.34
  5. Step 5: Solve for x
    x = 197,238,229.34/16,248.36
  6. Step 6: Final answer
    x = 12,138.96

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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.