Home / 15,844.66-21,864.13-9,469.98

Finding the Fourth Proportional to 15,844.66, 21,864.13 and 9,469.98

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Solution

The fourth proportional to 15,844.66, 21,864.13 and 9,469.98 is: 13,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.66 : 21,864.13 = 9,469.98 : x
  2. Step 2: Convert to fraction form
    15,844.66/21,864.13 = 9,469.98/x
  3. Step 3: Cross multiply
    15,844.66x = 21,864.13 × 9,469.98
  4. Step 4: Simplify right side
    15,844.66x = 207,052,873.82
  5. Step 5: Solve for x
    x = 207,052,873.82/15,844.66
  6. Step 6: Final answer
    x = 13,067.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.