Home / 18,235.22-25,163.94-10,278.18

Finding the Fourth Proportional to 18,235.22, 25,163.94 and 10,278.18

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Solution

The fourth proportional to 18,235.22, 25,163.94 and 10,278.18 is: 14,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.22 : 25,163.94 = 10,278.18 : x
  2. Step 2: Convert to fraction form
    18,235.22/25,163.94 = 10,278.18/x
  3. Step 3: Cross multiply
    18,235.22x = 25,163.94 × 10,278.18
  4. Step 4: Simplify right side
    18,235.22x = 258,639,504.83
  5. Step 5: Solve for x
    x = 258,639,504.83/18,235.22
  6. Step 6: Final answer
    x = 14,183.51

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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.