Home / 18,665.52-27,991.56-6,183.24

Finding the Fourth Proportional to 18,665.52, 27,991.56 and 6,183.24

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Solution

The fourth proportional to 18,665.52, 27,991.56 and 6,183.24 is: 9,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.52 : 27,991.56 = 6,183.24 : x
  2. Step 2: Convert to fraction form
    18,665.52/27,991.56 = 6,183.24/x
  3. Step 3: Cross multiply
    18,665.52x = 27,991.56 × 6,183.24
  4. Step 4: Simplify right side
    18,665.52x = 173,078,533.45
  5. Step 5: Solve for x
    x = 173,078,533.45/18,665.52
  6. Step 6: Final answer
    x = 9,272.63

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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.