Home / 13,891.68-19,170.97-7,604.06

Finding the Fourth Proportional to 13,891.68, 19,170.97 and 7,604.06

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Solution

The fourth proportional to 13,891.68, 19,170.97 and 7,604.06 is: 10,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.68 : 19,170.97 = 7,604.06 : x
  2. Step 2: Convert to fraction form
    13,891.68/19,170.97 = 7,604.06/x
  3. Step 3: Cross multiply
    13,891.68x = 19,170.97 × 7,604.06
  4. Step 4: Simplify right side
    13,891.68x = 145,777,091.27
  5. Step 5: Solve for x
    x = 145,777,091.27/13,891.68
  6. Step 6: Final answer
    x = 10,493.84

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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.