Home / 17,166.20-25,763.70-8,408.60

Finding the Fourth Proportional to 17,166.20, 25,763.70 and 8,408.60

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Solution

The fourth proportional to 17,166.20, 25,763.70 and 8,408.60 is: 12,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.20 : 25,763.70 = 8,408.60 : x
  2. Step 2: Convert to fraction form
    17,166.20/25,763.70 = 8,408.60/x
  3. Step 3: Cross multiply
    17,166.20x = 25,763.70 × 8,408.60
  4. Step 4: Simplify right side
    17,166.20x = 216,636,647.82
  5. Step 5: Solve for x
    x = 216,636,647.82/17,166.20
  6. Step 6: Final answer
    x = 12,619.95

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1.5x scale

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.