Home / 18,213.78-27,324.30-5,736.96

Finding the Fourth Proportional to 18,213.78, 27,324.30 and 5,736.96

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Solution

The fourth proportional to 18,213.78, 27,324.30 and 5,736.96 is: 8,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.78 : 27,324.30 = 5,736.96 : x
  2. Step 2: Convert to fraction form
    18,213.78/27,324.30 = 5,736.96/x
  3. Step 3: Cross multiply
    18,213.78x = 27,324.30 × 5,736.96
  4. Step 4: Simplify right side
    18,213.78x = 156,758,416.13
  5. Step 5: Solve for x
    x = 156,758,416.13/18,213.78
  6. Step 6: Final answer
    x = 8,606.58

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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.