Home / 18,412.57-27,631.28-6,726.97

Finding the Fourth Proportional to 18,412.57, 27,631.28 and 6,726.97

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Solution

The fourth proportional to 18,412.57, 27,631.28 and 6,726.97 is: 10,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.57 : 27,631.28 = 6,726.97 : x
  2. Step 2: Convert to fraction form
    18,412.57/27,631.28 = 6,726.97/x
  3. Step 3: Cross multiply
    18,412.57x = 27,631.28 × 6,726.97
  4. Step 4: Simplify right side
    18,412.57x = 185,874,791.62
  5. Step 5: Solve for x
    x = 185,874,791.62/18,412.57
  6. Step 6: Final answer
    x = 10,094.99

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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.