Home / 18,165.92-27,249.16-5,685.44

Finding the Fourth Proportional to 18,165.92, 27,249.16 and 5,685.44

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Solution

The fourth proportional to 18,165.92, 27,249.16 and 5,685.44 is: 8,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.92 : 27,249.16 = 5,685.44 : x
  2. Step 2: Convert to fraction form
    18,165.92/27,249.16 = 5,685.44/x
  3. Step 3: Cross multiply
    18,165.92x = 27,249.16 × 5,685.44
  4. Step 4: Simplify right side
    18,165.92x = 154,923,464.23
  5. Step 5: Solve for x
    x = 154,923,464.23/18,165.92
  6. Step 6: Final answer
    x = 8,528.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.