Home / 17,481.28-26,198.88-7,087.36

Finding the Fourth Proportional to 17,481.28, 26,198.88 and 7,087.36

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Solution

The fourth proportional to 17,481.28, 26,198.88 and 7,087.36 is: 10,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.28 : 26,198.88 = 7,087.36 : x
  2. Step 2: Convert to fraction form
    17,481.28/26,198.88 = 7,087.36/x
  3. Step 3: Cross multiply
    17,481.28x = 26,198.88 × 7,087.36
  4. Step 4: Simplify right side
    17,481.28x = 185,680,894.16
  5. Step 5: Solve for x
    x = 185,680,894.16/17,481.28
  6. Step 6: Final answer
    x = 10,621.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.