Home / 18,470.44-27,705.66-8,616.61

Finding the Fourth Proportional to 18,470.44, 27,705.66 and 8,616.61

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Solution

The fourth proportional to 18,470.44, 27,705.66 and 8,616.61 is: 12,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.44 : 27,705.66 = 8,616.61 : x
  2. Step 2: Convert to fraction form
    18,470.44/27,705.66 = 8,616.61/x
  3. Step 3: Cross multiply
    18,470.44x = 27,705.66 × 8,616.61
  4. Step 4: Simplify right side
    18,470.44x = 238,728,867.01
  5. Step 5: Solve for x
    x = 238,728,867.01/18,470.44
  6. Step 6: Final answer
    x = 12,924.92

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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.