Home / 16,042.48-22,138.66-8,872.88

Finding the Fourth Proportional to 16,042.48, 22,138.66 and 8,872.88

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Solution

The fourth proportional to 16,042.48, 22,138.66 and 8,872.88 is: 12,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.48 : 22,138.66 = 8,872.88 : x
  2. Step 2: Convert to fraction form
    16,042.48/22,138.66 = 8,872.88/x
  3. Step 3: Cross multiply
    16,042.48x = 22,138.66 × 8,872.88
  4. Step 4: Simplify right side
    16,042.48x = 196,433,673.54
  5. Step 5: Solve for x
    x = 196,433,673.54/16,042.48
  6. Step 6: Final answer
    x = 12,244.60

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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.