Home / 13,340.47-20,023.25-6,771.37

Finding the Fourth Proportional to 13,340.47, 20,023.25 and 6,771.37

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Solution

The fourth proportional to 13,340.47, 20,023.25 and 6,771.37 is: 10,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.47 : 20,023.25 = 6,771.37 : x
  2. Step 2: Convert to fraction form
    13,340.47/20,023.25 = 6,771.37/x
  3. Step 3: Cross multiply
    13,340.47x = 20,023.25 × 6,771.37
  4. Step 4: Simplify right side
    13,340.47x = 135,584,834.35
  5. Step 5: Solve for x
    x = 135,584,834.35/13,340.47
  6. Step 6: Final answer
    x = 10,163.42

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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.