Home / 14,079.66-21,105.84-7,833.96

Finding the Fourth Proportional to 14,079.66, 21,105.84 and 7,833.96

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Solution

The fourth proportional to 14,079.66, 21,105.84 and 7,833.96 is: 11,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.66 : 21,105.84 = 7,833.96 : x
  2. Step 2: Convert to fraction form
    14,079.66/21,105.84 = 7,833.96/x
  3. Step 3: Cross multiply
    14,079.66x = 21,105.84 × 7,833.96
  4. Step 4: Simplify right side
    14,079.66x = 165,342,306.33
  5. Step 5: Solve for x
    x = 165,342,306.33/14,079.66
  6. Step 6: Final answer
    x = 11,743.35

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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.