Home / 21,623.88-32,450.25-7,583.90

Finding the Fourth Proportional to 21,623.88, 32,450.25 and 7,583.90

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Solution

The fourth proportional to 21,623.88, 32,450.25 and 7,583.90 is: 11,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.88 : 32,450.25 = 7,583.90 : x
  2. Step 2: Convert to fraction form
    21,623.88/32,450.25 = 7,583.90/x
  3. Step 3: Cross multiply
    21,623.88x = 32,450.25 × 7,583.90
  4. Step 4: Simplify right side
    21,623.88x = 246,099,450.98
  5. Step 5: Solve for x
    x = 246,099,450.98/21,623.88
  6. Step 6: Final answer
    x = 11,380.91

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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.