Home / 17,191.88-23,725.66-9,638.62

Finding the Fourth Proportional to 17,191.88, 23,725.66 and 9,638.62

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Solution

The fourth proportional to 17,191.88, 23,725.66 and 9,638.62 is: 13,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.88 : 23,725.66 = 9,638.62 : x
  2. Step 2: Convert to fraction form
    17,191.88/23,725.66 = 9,638.62/x
  3. Step 3: Cross multiply
    17,191.88x = 23,725.66 × 9,638.62
  4. Step 4: Simplify right side
    17,191.88x = 228,682,620.99
  5. Step 5: Solve for x
    x = 228,682,620.99/17,191.88
  6. Step 6: Final answer
    x = 13,301.78

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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.