Home / 18,247.57-27,375.45-5,768.32

Finding the Fourth Proportional to 18,247.57, 27,375.45 and 5,768.32

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Solution

The fourth proportional to 18,247.57, 27,375.45 and 5,768.32 is: 8,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.57 : 27,375.45 = 5,768.32 : x
  2. Step 2: Convert to fraction form
    18,247.57/27,375.45 = 5,768.32/x
  3. Step 3: Cross multiply
    18,247.57x = 27,375.45 × 5,768.32
  4. Step 4: Simplify right side
    18,247.57x = 157,910,190.03
  5. Step 5: Solve for x
    x = 157,910,190.03/18,247.57
  6. Step 6: Final answer
    x = 8,653.77

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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.