Home / 19,766.27-29,653.50-8,079.48

Finding the Fourth Proportional to 19,766.27, 29,653.50 and 8,079.48

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Solution

The fourth proportional to 19,766.27, 29,653.50 and 8,079.48 is: 12,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.27 : 29,653.50 = 8,079.48 : x
  2. Step 2: Convert to fraction form
    19,766.27/29,653.50 = 8,079.48/x
  3. Step 3: Cross multiply
    19,766.27x = 29,653.50 × 8,079.48
  4. Step 4: Simplify right side
    19,766.27x = 239,584,860.18
  5. Step 5: Solve for x
    x = 239,584,860.18/19,766.27
  6. Step 6: Final answer
    x = 12,120.89

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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.