Home / 14,226.20-19,628.22-9,190.62

Finding the Fourth Proportional to 14,226.20, 19,628.22 and 9,190.62

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Solution

The fourth proportional to 14,226.20, 19,628.22 and 9,190.62 is: 12,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.20 : 19,628.22 = 9,190.62 : x
  2. Step 2: Convert to fraction form
    14,226.20/19,628.22 = 9,190.62/x
  3. Step 3: Cross multiply
    14,226.20x = 19,628.22 × 9,190.62
  4. Step 4: Simplify right side
    14,226.20x = 180,395,511.30
  5. Step 5: Solve for x
    x = 180,395,511.30/14,226.20
  6. Step 6: Final answer
    x = 12,680.51

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1.5x scale

Why These Related Problems?

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