Home / 21,046.98-31,548.26-7,003.25

Finding the Fourth Proportional to 21,046.98, 31,548.26 and 7,003.25

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Solution

The fourth proportional to 21,046.98, 31,548.26 and 7,003.25 is: 10,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.98 : 31,548.26 = 7,003.25 : x
  2. Step 2: Convert to fraction form
    21,046.98/31,548.26 = 7,003.25/x
  3. Step 3: Cross multiply
    21,046.98x = 31,548.26 × 7,003.25
  4. Step 4: Simplify right side
    21,046.98x = 220,940,351.85
  5. Step 5: Solve for x
    x = 220,940,351.85/21,046.98
  6. Step 6: Final answer
    x = 10,497.48

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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.