Home / 18,297.41-27,440.66-7,767.27

Finding the Fourth Proportional to 18,297.41, 27,440.66 and 7,767.27

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Solution

The fourth proportional to 18,297.41, 27,440.66 and 7,767.27 is: 11,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.41 : 27,440.66 = 7,767.27 : x
  2. Step 2: Convert to fraction form
    18,297.41/27,440.66 = 7,767.27/x
  3. Step 3: Cross multiply
    18,297.41x = 27,440.66 × 7,767.27
  4. Step 4: Simplify right side
    18,297.41x = 213,139,034.62
  5. Step 5: Solve for x
    x = 213,139,034.62/18,297.41
  6. Step 6: Final answer
    x = 11,648.59

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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.