Home / 22,183.41-30,613.23-12,112.11

Finding the Fourth Proportional to 22,183.41, 30,613.23 and 12,112.11

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Solution

The fourth proportional to 22,183.41, 30,613.23 and 12,112.11 is: 16,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.41 : 30,613.23 = 12,112.11 : x
  2. Step 2: Convert to fraction form
    22,183.41/30,613.23 = 12,112.11/x
  3. Step 3: Cross multiply
    22,183.41x = 30,613.23 × 12,112.11
  4. Step 4: Simplify right side
    22,183.41x = 370,790,809.22
  5. Step 5: Solve for x
    x = 370,790,809.22/22,183.41
  6. Step 6: Final answer
    x = 16,714.78

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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.