Home / 13,716.95-20,559.83-5,395.41

Finding the Fourth Proportional to 13,716.95, 20,559.83 and 5,395.41

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Solution

The fourth proportional to 13,716.95, 20,559.83 and 5,395.41 is: 8,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.95 : 20,559.83 = 5,395.41 : x
  2. Step 2: Convert to fraction form
    13,716.95/20,559.83 = 5,395.41/x
  3. Step 3: Cross multiply
    13,716.95x = 20,559.83 × 5,395.41
  4. Step 4: Simplify right side
    13,716.95x = 110,928,685.40
  5. Step 5: Solve for x
    x = 110,928,685.40/13,716.95
  6. Step 6: Final answer
    x = 8,086.98

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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.