Home / 14,940.46-20,617.72-8,226.21

Finding the Fourth Proportional to 14,940.46, 20,617.72 and 8,226.21

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Solution

The fourth proportional to 14,940.46, 20,617.72 and 8,226.21 is: 11,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.46 : 20,617.72 = 8,226.21 : x
  2. Step 2: Convert to fraction form
    14,940.46/20,617.72 = 8,226.21/x
  3. Step 3: Cross multiply
    14,940.46x = 20,617.72 × 8,226.21
  4. Step 4: Simplify right side
    14,940.46x = 169,605,694.44
  5. Step 5: Solve for x
    x = 169,605,694.44/14,940.46
  6. Step 6: Final answer
    x = 11,352.11

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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.