Home / 17,122.84-25,679.16-7,261.96

Finding the Fourth Proportional to 17,122.84, 25,679.16 and 7,261.96

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Solution

The fourth proportional to 17,122.84, 25,679.16 and 7,261.96 is: 10,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.84 : 25,679.16 = 7,261.96 : x
  2. Step 2: Convert to fraction form
    17,122.84/25,679.16 = 7,261.96/x
  3. Step 3: Cross multiply
    17,122.84x = 25,679.16 × 7,261.96
  4. Step 4: Simplify right side
    17,122.84x = 186,481,032.75
  5. Step 5: Solve for x
    x = 186,481,032.75/17,122.84
  6. Step 6: Final answer
    x = 10,890.78

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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.