Home / 18,456.66-27,685.43-6,611.25

Finding the Fourth Proportional to 18,456.66, 27,685.43 and 6,611.25

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Solution

The fourth proportional to 18,456.66, 27,685.43 and 6,611.25 is: 9,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.66 : 27,685.43 = 6,611.25 : x
  2. Step 2: Convert to fraction form
    18,456.66/27,685.43 = 6,611.25/x
  3. Step 3: Cross multiply
    18,456.66x = 27,685.43 × 6,611.25
  4. Step 4: Simplify right side
    18,456.66x = 183,035,394.64
  5. Step 5: Solve for x
    x = 183,035,394.64/18,456.66
  6. Step 6: Final answer
    x = 9,917.04

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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.