Home / 13,163.31-19,745.37-5,763.96

Finding the Fourth Proportional to 13,163.31, 19,745.37 and 5,763.96

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Solution

The fourth proportional to 13,163.31, 19,745.37 and 5,763.96 is: 8,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.31 : 19,745.37 = 5,763.96 : x
  2. Step 2: Convert to fraction form
    13,163.31/19,745.37 = 5,763.96/x
  3. Step 3: Cross multiply
    13,163.31x = 19,745.37 × 5,763.96
  4. Step 4: Simplify right side
    13,163.31x = 113,811,522.87
  5. Step 5: Solve for x
    x = 113,811,522.87/13,163.31
  6. Step 6: Final answer
    x = 8,646.12

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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.