Home / 18,589.91-27,893.57-8,727.75

Finding the Fourth Proportional to 18,589.91, 27,893.57 and 8,727.75

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Solution

The fourth proportional to 18,589.91, 27,893.57 and 8,727.75 is: 13,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.91 : 27,893.57 = 8,727.75 : x
  2. Step 2: Convert to fraction form
    18,589.91/27,893.57 = 8,727.75/x
  3. Step 3: Cross multiply
    18,589.91x = 27,893.57 × 8,727.75
  4. Step 4: Simplify right side
    18,589.91x = 243,448,061.93
  5. Step 5: Solve for x
    x = 243,448,061.93/18,589.91
  6. Step 6: Final answer
    x = 13,095.71

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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.