Home / 18,249.78-27,374.70-5,937.78

Finding the Fourth Proportional to 18,249.78, 27,374.70 and 5,937.78

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Solution

The fourth proportional to 18,249.78, 27,374.70 and 5,937.78 is: 8,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.78 : 27,374.70 = 5,937.78 : x
  2. Step 2: Convert to fraction form
    18,249.78/27,374.70 = 5,937.78/x
  3. Step 3: Cross multiply
    18,249.78x = 27,374.70 × 5,937.78
  4. Step 4: Simplify right side
    18,249.78x = 162,544,946.17
  5. Step 5: Solve for x
    x = 162,544,946.17/18,249.78
  6. Step 6: Final answer
    x = 8,906.68

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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.