Home / 16,474.20-22,734.41-8,920.54

Finding the Fourth Proportional to 16,474.20, 22,734.41 and 8,920.54

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Solution

The fourth proportional to 16,474.20, 22,734.41 and 8,920.54 is: 12,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.20 : 22,734.41 = 8,920.54 : x
  2. Step 2: Convert to fraction form
    16,474.20/22,734.41 = 8,920.54/x
  3. Step 3: Cross multiply
    16,474.20x = 22,734.41 × 8,920.54
  4. Step 4: Simplify right side
    16,474.20x = 202,803,213.78
  5. Step 5: Solve for x
    x = 202,803,213.78/16,474.20
  6. Step 6: Final answer
    x = 12,310.35

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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.