Home / 21,694.46-32,504.55-11,840.66

Finding the Fourth Proportional to 21,694.46, 32,504.55 and 11,840.66

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Solution

The fourth proportional to 21,694.46, 32,504.55 and 11,840.66 is: 17,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694.46 : 32,504.55 = 11,840.66 : x
  2. Step 2: Convert to fraction form
    21,694.46/32,504.55 = 11,840.66/x
  3. Step 3: Cross multiply
    21,694.46x = 32,504.55 × 11,840.66
  4. Step 4: Simplify right side
    21,694.46x = 384,875,103.28
  5. Step 5: Solve for x
    x = 384,875,103.28/21,694.46
  6. Step 6: Final answer
    x = 17,740.71

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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.