Home / 18,418.14-27,624.44-6,728.63

Finding the Fourth Proportional to 18,418.14, 27,624.44 and 6,728.63

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Solution

The fourth proportional to 18,418.14, 27,624.44 and 6,728.63 is: 10,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.14 : 27,624.44 = 6,728.63 : x
  2. Step 2: Convert to fraction form
    18,418.14/27,624.44 = 6,728.63/x
  3. Step 3: Cross multiply
    18,418.14x = 27,624.44 × 6,728.63
  4. Step 4: Simplify right side
    18,418.14x = 185,874,514.42
  5. Step 5: Solve for x
    x = 185,874,514.42/18,418.14
  6. Step 6: Final answer
    x = 10,091.93

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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.