Home / 17,087.78-25,631.67-15,584.42

Finding the Fourth Proportional to 17,087.78, 25,631.67 and 15,584.42

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Solution

The fourth proportional to 17,087.78, 25,631.67 and 15,584.42 is: 23,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.78 : 25,631.67 = 15,584.42 : x
  2. Step 2: Convert to fraction form
    17,087.78/25,631.67 = 15,584.42/x
  3. Step 3: Cross multiply
    17,087.78x = 25,631.67 × 15,584.42
  4. Step 4: Simplify right side
    17,087.78x = 399,454,710.58
  5. Step 5: Solve for x
    x = 399,454,710.58/17,087.78
  6. Step 6: Final answer
    x = 23,376.63

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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.