Home / 19,082.61-28,623.60-5,231.61

Finding the Fourth Proportional to 19,082.61, 28,623.60 and 5,231.61

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Solution

The fourth proportional to 19,082.61, 28,623.60 and 5,231.61 is: 7,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.61 : 28,623.60 = 5,231.61 : x
  2. Step 2: Convert to fraction form
    19,082.61/28,623.60 = 5,231.61/x
  3. Step 3: Cross multiply
    19,082.61x = 28,623.60 × 5,231.61
  4. Step 4: Simplify right side
    19,082.61x = 149,747,512.00
  5. Step 5: Solve for x
    x = 149,747,512.00/19,082.61
  6. Step 6: Final answer
    x = 7,847.33

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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.