Home / 20,584.62-28,406.66-11,635.02

Finding the Fourth Proportional to 20,584.62, 28,406.66 and 11,635.02

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Solution

The fourth proportional to 20,584.62, 28,406.66 and 11,635.02 is: 16,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.62 : 28,406.66 = 11,635.02 : x
  2. Step 2: Convert to fraction form
    20,584.62/28,406.66 = 11,635.02/x
  3. Step 3: Cross multiply
    20,584.62x = 28,406.66 × 11,635.02
  4. Step 4: Simplify right side
    20,584.62x = 330,511,999.06
  5. Step 5: Solve for x
    x = 330,511,999.06/20,584.62
  6. Step 6: Final answer
    x = 16,056.26

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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.