Home / 18,243.82-27,362.69-5,092.66

Finding the Fourth Proportional to 18,243.82, 27,362.69 and 5,092.66

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Solution

The fourth proportional to 18,243.82, 27,362.69 and 5,092.66 is: 7,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.82 : 27,362.69 = 5,092.66 : x
  2. Step 2: Convert to fraction form
    18,243.82/27,362.69 = 5,092.66/x
  3. Step 3: Cross multiply
    18,243.82x = 27,362.69 × 5,092.66
  4. Step 4: Simplify right side
    18,243.82x = 139,348,876.86
  5. Step 5: Solve for x
    x = 139,348,876.86/18,243.82
  6. Step 6: Final answer
    x = 7,638.14

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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.