Home / 22,272.32-30,734.48-12,198.75

Finding the Fourth Proportional to 22,272.32, 30,734.48 and 12,198.75

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Solution

The fourth proportional to 22,272.32, 30,734.48 and 12,198.75 is: 16,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.32 : 30,734.48 = 12,198.75 : x
  2. Step 2: Convert to fraction form
    22,272.32/30,734.48 = 12,198.75/x
  3. Step 3: Cross multiply
    22,272.32x = 30,734.48 × 12,198.75
  4. Step 4: Simplify right side
    22,272.32x = 374,922,176.91
  5. Step 5: Solve for x
    x = 374,922,176.91/22,272.32
  6. Step 6: Final answer
    x = 16,833.55

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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.