Home / 18,239.38-27,359.03-5,092.07

Finding the Fourth Proportional to 18,239.38, 27,359.03 and 5,092.07

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Solution

The fourth proportional to 18,239.38, 27,359.03 and 5,092.07 is: 7,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.38 : 27,359.03 = 5,092.07 : x
  2. Step 2: Convert to fraction form
    18,239.38/27,359.03 = 5,092.07/x
  3. Step 3: Cross multiply
    18,239.38x = 27,359.03 × 5,092.07
  4. Step 4: Simplify right side
    18,239.38x = 139,313,971.83
  5. Step 5: Solve for x
    x = 139,313,971.83/18,239.38
  6. Step 6: Final answer
    x = 7,638.09

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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.