Home / 21,948.44-32,922.66-12,082.64

Finding the Fourth Proportional to 21,948.44, 32,922.66 and 12,082.64

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Solution

The fourth proportional to 21,948.44, 32,922.66 and 12,082.64 is: 18,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.44 : 32,922.66 = 12,082.64 : x
  2. Step 2: Convert to fraction form
    21,948.44/32,922.66 = 12,082.64/x
  3. Step 3: Cross multiply
    21,948.44x = 32,922.66 × 12,082.64
  4. Step 4: Simplify right side
    21,948.44x = 397,792,648.62
  5. Step 5: Solve for x
    x = 397,792,648.62/21,948.44
  6. Step 6: Final answer
    x = 18,123.96

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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.