Home / 13,293.90-19,944.05-3,806.36

Finding the Fourth Proportional to 13,293.90, 19,944.05 and 3,806.36

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Solution

The fourth proportional to 13,293.90, 19,944.05 and 3,806.36 is: 5,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.90 : 19,944.05 = 3,806.36 : x
  2. Step 2: Convert to fraction form
    13,293.90/19,944.05 = 3,806.36/x
  3. Step 3: Cross multiply
    13,293.90x = 19,944.05 × 3,806.36
  4. Step 4: Simplify right side
    13,293.90x = 75,914,234.16
  5. Step 5: Solve for x
    x = 75,914,234.16/13,293.90
  6. Step 6: Final answer
    x = 5,710.46

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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.