Home / 18,249.38-25,184.20-9,865.94

Finding the Fourth Proportional to 18,249.38, 25,184.20 and 9,865.94

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Solution

The fourth proportional to 18,249.38, 25,184.20 and 9,865.94 is: 13,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.38 : 25,184.20 = 9,865.94 : x
  2. Step 2: Convert to fraction form
    18,249.38/25,184.20 = 9,865.94/x
  3. Step 3: Cross multiply
    18,249.38x = 25,184.20 × 9,865.94
  4. Step 4: Simplify right side
    18,249.38x = 248,465,655.56
  5. Step 5: Solve for x
    x = 248,465,655.56/18,249.38
  6. Step 6: Final answer
    x = 13,615.02

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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.