Home / 18,443.08-27,651.66-6,754.78

Finding the Fourth Proportional to 18,443.08, 27,651.66 and 6,754.78

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Solution

The fourth proportional to 18,443.08, 27,651.66 and 6,754.78 is: 10,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.08 : 27,651.66 = 6,754.78 : x
  2. Step 2: Convert to fraction form
    18,443.08/27,651.66 = 6,754.78/x
  3. Step 3: Cross multiply
    18,443.08x = 27,651.66 × 6,754.78
  4. Step 4: Simplify right side
    18,443.08x = 186,780,879.93
  5. Step 5: Solve for x
    x = 186,780,879.93/18,443.08
  6. Step 6: Final answer
    x = 10,127.42

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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.