Home / 22,269.16-30,731.44-12,198.23

Finding the Fourth Proportional to 22,269.16, 30,731.44 and 12,198.23

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Solution

The fourth proportional to 22,269.16, 30,731.44 and 12,198.23 is: 16,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.16 : 30,731.44 = 12,198.23 : x
  2. Step 2: Convert to fraction form
    22,269.16/30,731.44 = 12,198.23/x
  3. Step 3: Cross multiply
    22,269.16x = 30,731.44 × 12,198.23
  4. Step 4: Simplify right side
    22,269.16x = 374,869,142.86
  5. Step 5: Solve for x
    x = 374,869,142.86/22,269.16
  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.