Home / 21,516.91-32,273.30-7,474.75

Finding the Fourth Proportional to 21,516.91, 32,273.30 and 7,474.75

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Solution

The fourth proportional to 21,516.91, 32,273.30 and 7,474.75 is: 11,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.91 : 32,273.30 = 7,474.75 : x
  2. Step 2: Convert to fraction form
    21,516.91/32,273.30 = 7,474.75/x
  3. Step 3: Cross multiply
    21,516.91x = 32,273.30 × 7,474.75
  4. Step 4: Simplify right side
    21,516.91x = 241,234,787.18
  5. Step 5: Solve for x
    x = 241,234,787.18/21,516.91
  6. Step 6: Final answer
    x = 11,211.41

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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.