Home / 13,571.13-20,321.44-9,367.37

Finding the Fourth Proportional to 13,571.13, 20,321.44 and 9,367.37

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Solution

The fourth proportional to 13,571.13, 20,321.44 and 9,367.37 is: 14,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.13 : 20,321.44 = 9,367.37 : x
  2. Step 2: Convert to fraction form
    13,571.13/20,321.44 = 9,367.37/x
  3. Step 3: Cross multiply
    13,571.13x = 20,321.44 × 9,367.37
  4. Step 4: Simplify right side
    13,571.13x = 190,358,393.01
  5. Step 5: Solve for x
    x = 190,358,393.01/13,571.13
  6. Step 6: Final answer
    x = 14,026.71

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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.