Home / 17,625.20-26,431.52-5,141.88

Finding the Fourth Proportional to 17,625.20, 26,431.52 and 5,141.88

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Solution

The fourth proportional to 17,625.20, 26,431.52 and 5,141.88 is: 7,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.20 : 26,431.52 = 5,141.88 : x
  2. Step 2: Convert to fraction form
    17,625.20/26,431.52 = 5,141.88/x
  3. Step 3: Cross multiply
    17,625.20x = 26,431.52 × 5,141.88
  4. Step 4: Simplify right side
    17,625.20x = 135,907,678.35
  5. Step 5: Solve for x
    x = 135,907,678.35/17,625.20
  6. Step 6: Final answer
    x = 7,710.99

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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.