Home / 18,096.81-27,129.59-8,743.38

Finding the Fourth Proportional to 18,096.81, 27,129.59 and 8,743.38

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Solution

The fourth proportional to 18,096.81, 27,129.59 and 8,743.38 is: 13,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.81 : 27,129.59 = 8,743.38 : x
  2. Step 2: Convert to fraction form
    18,096.81/27,129.59 = 8,743.38/x
  3. Step 3: Cross multiply
    18,096.81x = 27,129.59 × 8,743.38
  4. Step 4: Simplify right side
    18,096.81x = 237,204,270.90
  5. Step 5: Solve for x
    x = 237,204,270.90/18,096.81
  6. Step 6: Final answer
    x = 13,107.52

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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.