Home / 13,806.97-20,716.61-5,039.84

Finding the Fourth Proportional to 13,806.97, 20,716.61 and 5,039.84

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Solution

The fourth proportional to 13,806.97, 20,716.61 and 5,039.84 is: 7,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.97 : 20,716.61 = 5,039.84 : x
  2. Step 2: Convert to fraction form
    13,806.97/20,716.61 = 5,039.84/x
  3. Step 3: Cross multiply
    13,806.97x = 20,716.61 × 5,039.84
  4. Step 4: Simplify right side
    13,806.97x = 104,408,338.15
  5. Step 5: Solve for x
    x = 104,408,338.15/13,806.97
  6. Step 6: Final answer
    x = 7,562.00

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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.