Home / 14,940.12-20,617.44-8,226.42

Finding the Fourth Proportional to 14,940.12, 20,617.44 and 8,226.42

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Solution

The fourth proportional to 14,940.12, 20,617.44 and 8,226.42 is: 11,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.12 : 20,617.44 = 8,226.42 : x
  2. Step 2: Convert to fraction form
    14,940.12/20,617.44 = 8,226.42/x
  3. Step 3: Cross multiply
    14,940.12x = 20,617.44 × 8,226.42
  4. Step 4: Simplify right side
    14,940.12x = 169,607,720.76
  5. Step 5: Solve for x
    x = 169,607,720.76/14,940.12
  6. Step 6: Final answer
    x = 11,352.50

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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.