Home / 14,115.54-21,241.08-11,634.60

Finding the Fourth Proportional to 14,115.54, 21,241.08 and 11,634.60

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Solution

The fourth proportional to 14,115.54, 21,241.08 and 11,634.60 is: 17,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.54 : 21,241.08 = 11,634.60 : x
  2. Step 2: Convert to fraction form
    14,115.54/21,241.08 = 11,634.60/x
  3. Step 3: Cross multiply
    14,115.54x = 21,241.08 × 11,634.60
  4. Step 4: Simplify right side
    14,115.54x = 247,131,469.37
  5. Step 5: Solve for x
    x = 247,131,469.37/14,115.54
  6. Step 6: Final answer
    x = 17,507.76

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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.