Home / 21,442.59-32,163.89-5,861.43

Finding the Fourth Proportional to 21,442.59, 32,163.89 and 5,861.43

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Solution

The fourth proportional to 21,442.59, 32,163.89 and 5,861.43 is: 8,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.59 : 32,163.89 = 5,861.43 : x
  2. Step 2: Convert to fraction form
    21,442.59/32,163.89 = 5,861.43/x
  3. Step 3: Cross multiply
    21,442.59x = 32,163.89 × 5,861.43
  4. Step 4: Simplify right side
    21,442.59x = 188,526,360.46
  5. Step 5: Solve for x
    x = 188,526,360.46/21,442.59
  6. Step 6: Final answer
    x = 8,792.15

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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.