Home / 17,220.57-25,828.38-5,532.27

Finding the Fourth Proportional to 17,220.57, 25,828.38 and 5,532.27

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Solution

The fourth proportional to 17,220.57, 25,828.38 and 5,532.27 is: 8,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.57 : 25,828.38 = 5,532.27 : x
  2. Step 2: Convert to fraction form
    17,220.57/25,828.38 = 5,532.27/x
  3. Step 3: Cross multiply
    17,220.57x = 25,828.38 × 5,532.27
  4. Step 4: Simplify right side
    17,220.57x = 142,889,571.82
  5. Step 5: Solve for x
    x = 142,889,571.82/17,220.57
  6. Step 6: Final answer
    x = 8,297.61

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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.