Home / 18,224.01-25,150.23-12,163.86

Finding the Fourth Proportional to 18,224.01, 25,150.23 and 12,163.86

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Solution

The fourth proportional to 18,224.01, 25,150.23 and 12,163.86 is: 16,786.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.01 : 25,150.23 = 12,163.86 : x
  2. Step 2: Convert to fraction form
    18,224.01/25,150.23 = 12,163.86/x
  3. Step 3: Cross multiply
    18,224.01x = 25,150.23 × 12,163.86
  4. Step 4: Simplify right side
    18,224.01x = 305,923,876.69
  5. Step 5: Solve for x
    x = 305,923,876.69/18,224.01
  6. Step 6: Final answer
    x = 16,786.86

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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.