Home / 18,626.88-27,927.36-6,936.96

Finding the Fourth Proportional to 18,626.88, 27,927.36 and 6,936.96

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Solution

The fourth proportional to 18,626.88, 27,927.36 and 6,936.96 is: 10,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.88 : 27,927.36 = 6,936.96 : x
  2. Step 2: Convert to fraction form
    18,626.88/27,927.36 = 6,936.96/x
  3. Step 3: Cross multiply
    18,626.88x = 27,927.36 × 6,936.96
  4. Step 4: Simplify right side
    18,626.88x = 193,730,979.23
  5. Step 5: Solve for x
    x = 193,730,979.23/18,626.88
  6. Step 6: Final answer
    x = 10,400.61

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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.