Home / 21,194.88-29,249.06-13,241.73

Finding the Fourth Proportional to 21,194.88, 29,249.06 and 13,241.73

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Solution

The fourth proportional to 21,194.88, 29,249.06 and 13,241.73 is: 18,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.88 : 29,249.06 = 13,241.73 : x
  2. Step 2: Convert to fraction form
    21,194.88/29,249.06 = 13,241.73/x
  3. Step 3: Cross multiply
    21,194.88x = 29,249.06 × 13,241.73
  4. Step 4: Simplify right side
    21,194.88x = 387,308,155.27
  5. Step 5: Solve for x
    x = 387,308,155.27/21,194.88
  6. Step 6: Final answer
    x = 18,273.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.