Home / 22,186.44-30,616.92-12,114.96

Finding the Fourth Proportional to 22,186.44, 30,616.92 and 12,114.96

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Solution

The fourth proportional to 22,186.44, 30,616.92 and 12,114.96 is: 16,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.44 : 30,616.92 = 12,114.96 : x
  2. Step 2: Convert to fraction form
    22,186.44/30,616.92 = 12,114.96/x
  3. Step 3: Cross multiply
    22,186.44x = 30,616.92 × 12,114.96
  4. Step 4: Simplify right side
    22,186.44x = 370,922,761.12
  5. Step 5: Solve for x
    x = 370,922,761.12/22,186.44
  6. Step 6: Final answer
    x = 16,718.44

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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.