Home / 12,021.34-18,033.72-3,702.05

Finding the Fourth Proportional to 12,021.34, 18,033.72 and 3,702.05

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Solution

The fourth proportional to 12,021.34, 18,033.72 and 3,702.05 is: 5,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.34 : 18,033.72 = 3,702.05 : x
  2. Step 2: Convert to fraction form
    12,021.34/18,033.72 = 3,702.05/x
  3. Step 3: Cross multiply
    12,021.34x = 18,033.72 × 3,702.05
  4. Step 4: Simplify right side
    12,021.34x = 66,761,733.13
  5. Step 5: Solve for x
    x = 66,761,733.13/12,021.34
  6. Step 6: Final answer
    x = 5,553.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.