Home / 13,260.45-19,888.25-5,362.55

Finding the Fourth Proportional to 13,260.45, 19,888.25 and 5,362.55

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Solution

The fourth proportional to 13,260.45, 19,888.25 and 5,362.55 is: 8,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.45 : 19,888.25 = 5,362.55 : x
  2. Step 2: Convert to fraction form
    13,260.45/19,888.25 = 5,362.55/x
  3. Step 3: Cross multiply
    13,260.45x = 19,888.25 × 5,362.55
  4. Step 4: Simplify right side
    13,260.45x = 106,651,608.78
  5. Step 5: Solve for x
    x = 106,651,608.78/13,260.45
  6. Step 6: Final answer
    x = 8,042.83

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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.