Home / 21,709.43-32,559.59-6,123.41

Finding the Fourth Proportional to 21,709.43, 32,559.59 and 6,123.41

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Solution

The fourth proportional to 21,709.43, 32,559.59 and 6,123.41 is: 9,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.43 : 32,559.59 = 6,123.41 : x
  2. Step 2: Convert to fraction form
    21,709.43/32,559.59 = 6,123.41/x
  3. Step 3: Cross multiply
    21,709.43x = 32,559.59 × 6,123.41
  4. Step 4: Simplify right side
    21,709.43x = 199,375,759.70
  5. Step 5: Solve for x
    x = 199,375,759.70/21,709.43
  6. Step 6: Final answer
    x = 9,183.83

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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.