Home / 17,198.03-25,679.35-15,407.55

Finding the Fourth Proportional to 17,198.03, 25,679.35 and 15,407.55

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Solution

The fourth proportional to 17,198.03, 25,679.35 and 15,407.55 is: 23,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.03 : 25,679.35 = 15,407.55 : x
  2. Step 2: Convert to fraction form
    17,198.03/25,679.35 = 15,407.55/x
  3. Step 3: Cross multiply
    17,198.03x = 25,679.35 × 15,407.55
  4. Step 4: Simplify right side
    17,198.03x = 395,655,869.09
  5. Step 5: Solve for x
    x = 395,655,869.09/17,198.03
  6. Step 6: Final answer
    x = 23,005.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.