Home / 13,932.75-20,900.34-3,544.50

Finding the Fourth Proportional to 13,932.75, 20,900.34 and 3,544.50

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Solution

The fourth proportional to 13,932.75, 20,900.34 and 3,544.50 is: 5,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.75 : 20,900.34 = 3,544.50 : x
  2. Step 2: Convert to fraction form
    13,932.75/20,900.34 = 3,544.50/x
  3. Step 3: Cross multiply
    13,932.75x = 20,900.34 × 3,544.50
  4. Step 4: Simplify right side
    13,932.75x = 74,081,255.13
  5. Step 5: Solve for x
    x = 74,081,255.13/13,932.75
  6. Step 6: Final answer
    x = 5,317.06

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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.