Home / 19,850.24-29,772.40-5,806.56

Finding the Fourth Proportional to 19,850.24, 29,772.40 and 5,806.56

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Solution

The fourth proportional to 19,850.24, 29,772.40 and 5,806.56 is: 8,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.24 : 29,772.40 = 5,806.56 : x
  2. Step 2: Convert to fraction form
    19,850.24/29,772.40 = 5,806.56/x
  3. Step 3: Cross multiply
    19,850.24x = 29,772.40 × 5,806.56
  4. Step 4: Simplify right side
    19,850.24x = 172,875,226.94
  5. Step 5: Solve for x
    x = 172,875,226.94/19,850.24
  6. Step 6: Final answer
    x = 8,708.97

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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.