Home / 22,189.32-30,607.20-16,872.48

Finding the Fourth Proportional to 22,189.32, 30,607.20 and 16,872.48

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Solution

The fourth proportional to 22,189.32, 30,607.20 and 16,872.48 is: 23,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.32 : 30,607.20 = 16,872.48 : x
  2. Step 2: Convert to fraction form
    22,189.32/30,607.20 = 16,872.48/x
  3. Step 3: Cross multiply
    22,189.32x = 30,607.20 × 16,872.48
  4. Step 4: Simplify right side
    22,189.32x = 516,419,369.86
  5. Step 5: Solve for x
    x = 516,419,369.86/22,189.32
  6. Step 6: Final answer
    x = 23,273.33

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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.