Home / 16,791.40-25,163.56-13,265.98

Finding the Fourth Proportional to 16,791.40, 25,163.56 and 13,265.98

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Solution

The fourth proportional to 16,791.40, 25,163.56 and 13,265.98 is: 19,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.40 : 25,163.56 = 13,265.98 : x
  2. Step 2: Convert to fraction form
    16,791.40/25,163.56 = 13,265.98/x
  3. Step 3: Cross multiply
    16,791.40x = 25,163.56 × 13,265.98
  4. Step 4: Simplify right side
    16,791.40x = 333,819,237.36
  5. Step 5: Solve for x
    x = 333,819,237.36/16,791.40
  6. Step 6: Final answer
    x = 19,880.37

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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.