Home / 18,351.24-27,497.70-18,331.80

Finding the Fourth Proportional to 18,351.24, 27,497.70 and 18,331.80

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Solution

The fourth proportional to 18,351.24, 27,497.70 and 18,331.80 is: 27,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.24 : 27,497.70 = 18,331.80 : x
  2. Step 2: Convert to fraction form
    18,351.24/27,497.70 = 18,331.80/x
  3. Step 3: Cross multiply
    18,351.24x = 27,497.70 × 18,331.80
  4. Step 4: Simplify right side
    18,351.24x = 504,082,336.86
  5. Step 5: Solve for x
    x = 504,082,336.86/18,351.24
  6. Step 6: Final answer
    x = 27,468.57

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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.