Home / 17,217.16-25,784.73-11,957.42

Finding the Fourth Proportional to 17,217.16, 25,784.73 and 11,957.42

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Solution

The fourth proportional to 17,217.16, 25,784.73 and 11,957.42 is: 17,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.16 : 25,784.73 = 11,957.42 : x
  2. Step 2: Convert to fraction form
    17,217.16/25,784.73 = 11,957.42/x
  3. Step 3: Cross multiply
    17,217.16x = 25,784.73 × 11,957.42
  4. Step 4: Simplify right side
    17,217.16x = 308,318,910.66
  5. Step 5: Solve for x
    x = 308,318,910.66/17,217.16
  6. Step 6: Final answer
    x = 17,907.65

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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.