Home / 16,144.88-22,280.20-8,877.28

Finding the Fourth Proportional to 16,144.88, 22,280.20 and 8,877.28

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Solution

The fourth proportional to 16,144.88, 22,280.20 and 8,877.28 is: 12,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,144.88 : 22,280.20 = 8,877.28 : x
  2. Step 2: Convert to fraction form
    16,144.88/22,280.20 = 8,877.28/x
  3. Step 3: Cross multiply
    16,144.88x = 22,280.20 × 8,877.28
  4. Step 4: Simplify right side
    16,144.88x = 197,787,612.80
  5. Step 5: Solve for x
    x = 197,787,612.80/16,144.88
  6. Step 6: Final answer
    x = 12,250.79

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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.