Home / 17,115.18-25,674.39-6,724.50

Finding the Fourth Proportional to 17,115.18, 25,674.39 and 6,724.50

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Solution

The fourth proportional to 17,115.18, 25,674.39 and 6,724.50 is: 10,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.18 : 25,674.39 = 6,724.50 : x
  2. Step 2: Convert to fraction form
    17,115.18/25,674.39 = 6,724.50/x
  3. Step 3: Cross multiply
    17,115.18x = 25,674.39 × 6,724.50
  4. Step 4: Simplify right side
    17,115.18x = 172,647,435.56
  5. Step 5: Solve for x
    x = 172,647,435.56/17,115.18
  6. Step 6: Final answer
    x = 10,087.39

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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.