Home / 18,620.27-27,924.47-6,137.97

Finding the Fourth Proportional to 18,620.27, 27,924.47 and 6,137.97

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Solution

The fourth proportional to 18,620.27, 27,924.47 and 6,137.97 is: 9,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.27 : 27,924.47 = 6,137.97 : x
  2. Step 2: Convert to fraction form
    18,620.27/27,924.47 = 6,137.97/x
  3. Step 3: Cross multiply
    18,620.27x = 27,924.47 × 6,137.97
  4. Step 4: Simplify right side
    18,620.27x = 171,399,446.74
  5. Step 5: Solve for x
    x = 171,399,446.74/18,620.27
  6. Step 6: Final answer
    x = 9,204.99

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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.