Home / 14,163.56-21,249.44-5,399.16

Finding the Fourth Proportional to 14,163.56, 21,249.44 and 5,399.16

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Solution

The fourth proportional to 14,163.56, 21,249.44 and 5,399.16 is: 8,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.56 : 21,249.44 = 5,399.16 : x
  2. Step 2: Convert to fraction form
    14,163.56/21,249.44 = 5,399.16/x
  3. Step 3: Cross multiply
    14,163.56x = 21,249.44 × 5,399.16
  4. Step 4: Simplify right side
    14,163.56x = 114,729,040.04
  5. Step 5: Solve for x
    x = 114,729,040.04/14,163.56
  6. Step 6: Final answer
    x = 8,100.30

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1.5x scale

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.