Home / 22,266.86-30,728.27-12,195.33

Finding the Fourth Proportional to 22,266.86, 30,728.27 and 12,195.33

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Solution

The fourth proportional to 22,266.86, 30,728.27 and 12,195.33 is: 16,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.86 : 30,728.27 = 12,195.33 : x
  2. Step 2: Convert to fraction form
    22,266.86/30,728.27 = 12,195.33/x
  3. Step 3: Cross multiply
    22,266.86x = 30,728.27 × 12,195.33
  4. Step 4: Simplify right side
    22,266.86x = 374,741,254.39
  5. Step 5: Solve for x
    x = 374,741,254.39/22,266.86
  6. Step 6: Final answer
    x = 16,829.55

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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.