Home / 18,231.24-27,327.42-7,699.08

Finding the Fourth Proportional to 18,231.24, 27,327.42 and 7,699.08

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Solution

The fourth proportional to 18,231.24, 27,327.42 and 7,699.08 is: 11,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.24 : 27,327.42 = 7,699.08 : x
  2. Step 2: Convert to fraction form
    18,231.24/27,327.42 = 7,699.08/x
  3. Step 3: Cross multiply
    18,231.24x = 27,327.42 × 7,699.08
  4. Step 4: Simplify right side
    18,231.24x = 210,395,992.77
  5. Step 5: Solve for x
    x = 210,395,992.77/18,231.24
  6. Step 6: Final answer
    x = 11,540.41

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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.