Home / 13,294.15-19,944.43-3,806.61

Finding the Fourth Proportional to 13,294.15, 19,944.43 and 3,806.61

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Solution

The fourth proportional to 13,294.15, 19,944.43 and 3,806.61 is: 5,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.15 : 19,944.43 = 3,806.61 : x
  2. Step 2: Convert to fraction form
    13,294.15/19,944.43 = 3,806.61/x
  3. Step 3: Cross multiply
    13,294.15x = 19,944.43 × 3,806.61
  4. Step 4: Simplify right side
    13,294.15x = 75,920,666.68
  5. Step 5: Solve for x
    x = 75,920,666.68/13,294.15
  6. Step 6: Final answer
    x = 5,710.83

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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.