Home / 13,906.48-19,191.72-8,241.62

Finding the Fourth Proportional to 13,906.48, 19,191.72 and 8,241.62

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Solution

The fourth proportional to 13,906.48, 19,191.72 and 8,241.62 is: 11,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.48 : 19,191.72 = 8,241.62 : x
  2. Step 2: Convert to fraction form
    13,906.48/19,191.72 = 8,241.62/x
  3. Step 3: Cross multiply
    13,906.48x = 19,191.72 × 8,241.62
  4. Step 4: Simplify right side
    13,906.48x = 158,170,863.39
  5. Step 5: Solve for x
    x = 158,170,863.39/13,906.48
  6. Step 6: Final answer
    x = 11,373.90

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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.