Home / 13,257.62-18,295.71-7,289.24

Finding the Fourth Proportional to 13,257.62, 18,295.71 and 7,289.24

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Solution

The fourth proportional to 13,257.62, 18,295.71 and 7,289.24 is: 10,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.62 : 18,295.71 = 7,289.24 : x
  2. Step 2: Convert to fraction form
    13,257.62/18,295.71 = 7,289.24/x
  3. Step 3: Cross multiply
    13,257.62x = 18,295.71 × 7,289.24
  4. Step 4: Simplify right side
    13,257.62x = 133,361,729.68
  5. Step 5: Solve for x
    x = 133,361,729.68/13,257.62
  6. Step 6: Final answer
    x = 10,059.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.