Home / 18,399.44-25,390.42-10,222.56

Finding the Fourth Proportional to 18,399.44, 25,390.42 and 10,222.56

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Solution

The fourth proportional to 18,399.44, 25,390.42 and 10,222.56 is: 14,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.44 : 25,390.42 = 10,222.56 : x
  2. Step 2: Convert to fraction form
    18,399.44/25,390.42 = 10,222.56/x
  3. Step 3: Cross multiply
    18,399.44x = 25,390.42 × 10,222.56
  4. Step 4: Simplify right side
    18,399.44x = 259,555,091.88
  5. Step 5: Solve for x
    x = 259,555,091.88/18,399.44
  6. Step 6: Final answer
    x = 14,106.68

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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.