Home / 19,786.73-27,318.42-17,658.61

Finding the Fourth Proportional to 19,786.73, 27,318.42 and 17,658.61

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Solution

The fourth proportional to 19,786.73, 27,318.42 and 17,658.61 is: 24,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.73 : 27,318.42 = 17,658.61 : x
  2. Step 2: Convert to fraction form
    19,786.73/27,318.42 = 17,658.61/x
  3. Step 3: Cross multiply
    19,786.73x = 27,318.42 × 17,658.61
  4. Step 4: Simplify right side
    19,786.73x = 482,405,256.30
  5. Step 5: Solve for x
    x = 482,405,256.30/19,786.73
  6. Step 6: Final answer
    x = 24,380.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.