Home / 18,766.43-28,149.65-17,956.56

Finding the Fourth Proportional to 18,766.43, 28,149.65 and 17,956.56

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Solution

The fourth proportional to 18,766.43, 28,149.65 and 17,956.56 is: 26,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.43 : 28,149.65 = 17,956.56 : x
  2. Step 2: Convert to fraction form
    18,766.43/28,149.65 = 17,956.56/x
  3. Step 3: Cross multiply
    18,766.43x = 28,149.65 × 17,956.56
  4. Step 4: Simplify right side
    18,766.43x = 505,470,933.65
  5. Step 5: Solve for x
    x = 505,470,933.65/18,766.43
  6. Step 6: Final answer
    x = 26,934.84

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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.