Home / 17,157.08-25,721.88-11,270.60

Finding the Fourth Proportional to 17,157.08, 25,721.88 and 11,270.60

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Solution

The fourth proportional to 17,157.08, 25,721.88 and 11,270.60 is: 16,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.08 : 25,721.88 = 11,270.60 : x
  2. Step 2: Convert to fraction form
    17,157.08/25,721.88 = 11,270.60/x
  3. Step 3: Cross multiply
    17,157.08x = 25,721.88 × 11,270.60
  4. Step 4: Simplify right side
    17,157.08x = 289,901,020.73
  5. Step 5: Solve for x
    x = 289,901,020.73/17,157.08
  6. Step 6: Final answer
    x = 16,896.87

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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.