Home / 22,255.89-30,713.12-12,184.30

Finding the Fourth Proportional to 22,255.89, 30,713.12 and 12,184.30

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Solution

The fourth proportional to 22,255.89, 30,713.12 and 12,184.30 is: 16,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.89 : 30,713.12 = 12,184.30 : x
  2. Step 2: Convert to fraction form
    22,255.89/30,713.12 = 12,184.30/x
  3. Step 3: Cross multiply
    22,255.89x = 30,713.12 × 12,184.30
  4. Step 4: Simplify right side
    22,255.89x = 374,217,868.02
  5. Step 5: Solve for x
    x = 374,217,868.02/22,255.89
  6. Step 6: Final answer
    x = 16,814.33

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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.