Home / 21,047.91-29,046.06-11,616.41

Finding the Fourth Proportional to 21,047.91, 29,046.06 and 11,616.41

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Solution

The fourth proportional to 21,047.91, 29,046.06 and 11,616.41 is: 16,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.91 : 29,046.06 = 11,616.41 : x
  2. Step 2: Convert to fraction form
    21,047.91/29,046.06 = 11,616.41/x
  3. Step 3: Cross multiply
    21,047.91x = 29,046.06 × 11,616.41
  4. Step 4: Simplify right side
    21,047.91x = 337,410,796.61
  5. Step 5: Solve for x
    x = 337,410,796.61/21,047.91
  6. Step 6: Final answer
    x = 16,030.61

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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.