Home / 25,352.58-38,033.94-7,821.75

Finding the Fourth Proportional to 25,352.58, 38,033.94 and 7,821.75

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Solution

The fourth proportional to 25,352.58, 38,033.94 and 7,821.75 is: 11,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.58 : 38,033.94 = 7,821.75 : x
  2. Step 2: Convert to fraction form
    25,352.58/38,033.94 = 7,821.75/x
  3. Step 3: Cross multiply
    25,352.58x = 38,033.94 × 7,821.75
  4. Step 4: Simplify right side
    25,352.58x = 297,491,970.20
  5. Step 5: Solve for x
    x = 297,491,970.20/25,352.58
  6. Step 6: Final answer
    x = 11,734.19

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Why These Related Problems?

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