Home / 22,255.63-30,713.13-12,183.90

Finding the Fourth Proportional to 22,255.63, 30,713.13 and 12,183.90

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Solution

The fourth proportional to 22,255.63, 30,713.13 and 12,183.90 is: 16,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.63 : 30,713.13 = 12,183.90 : x
  2. Step 2: Convert to fraction form
    22,255.63/30,713.13 = 12,183.90/x
  3. Step 3: Cross multiply
    22,255.63x = 30,713.13 × 12,183.90
  4. Step 4: Simplify right side
    22,255.63x = 374,205,589.43
  5. Step 5: Solve for x
    x = 374,205,589.43/22,255.63
  6. Step 6: Final answer
    x = 16,813.98

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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.