Home / 20,179.22-27,847.07-11,226.50

Finding the Fourth Proportional to 20,179.22, 27,847.07 and 11,226.50

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Solution

The fourth proportional to 20,179.22, 27,847.07 and 11,226.50 is: 15,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.22 : 27,847.07 = 11,226.50 : x
  2. Step 2: Convert to fraction form
    20,179.22/27,847.07 = 11,226.50/x
  3. Step 3: Cross multiply
    20,179.22x = 27,847.07 × 11,226.50
  4. Step 4: Simplify right side
    20,179.22x = 312,624,992.12
  5. Step 5: Solve for x
    x = 312,624,992.12/20,179.22
  6. Step 6: Final answer
    x = 15,492.42

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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.