Home / 18,249.50-27,377.86-5,771.36

Finding the Fourth Proportional to 18,249.50, 27,377.86 and 5,771.36

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Solution

The fourth proportional to 18,249.50, 27,377.86 and 5,771.36 is: 8,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.50 : 27,377.86 = 5,771.36 : x
  2. Step 2: Convert to fraction form
    18,249.50/27,377.86 = 5,771.36/x
  3. Step 3: Cross multiply
    18,249.50x = 27,377.86 × 5,771.36
  4. Step 4: Simplify right side
    18,249.50x = 158,007,486.09
  5. Step 5: Solve for x
    x = 158,007,486.09/18,249.50
  6. Step 6: Final answer
    x = 8,658.18

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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.