Home / 28,186.19-42,279.26-11,546.26

Finding the Fourth Proportional to 28,186.19, 42,279.26 and 11,546.26

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Solution

The fourth proportional to 28,186.19, 42,279.26 and 11,546.26 is: 17,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.19 : 42,279.26 = 11,546.26 : x
  2. Step 2: Convert to fraction form
    28,186.19/42,279.26 = 11,546.26/x
  3. Step 3: Cross multiply
    28,186.19x = 42,279.26 × 11,546.26
  4. Step 4: Simplify right side
    28,186.19x = 488,167,059.44
  5. Step 5: Solve for x
    x = 488,167,059.44/28,186.19
  6. Step 6: Final answer
    x = 17,319.37

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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.