Home / 18,331.92-27,499.68-5,184.36

Finding the Fourth Proportional to 18,331.92, 27,499.68 and 5,184.36

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Solution

The fourth proportional to 18,331.92, 27,499.68 and 5,184.36 is: 7,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.92 : 27,499.68 = 5,184.36 : x
  2. Step 2: Convert to fraction form
    18,331.92/27,499.68 = 5,184.36/x
  3. Step 3: Cross multiply
    18,331.92x = 27,499.68 × 5,184.36
  4. Step 4: Simplify right side
    18,331.92x = 142,568,241.00
  5. Step 5: Solve for x
    x = 142,568,241.00/18,331.92
  6. Step 6: Final answer
    x = 7,777.05

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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.