Home / 20,179.19-27,844.07-11,226.66

Finding the Fourth Proportional to 20,179.19, 27,844.07 and 11,226.66

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Solution

The fourth proportional to 20,179.19, 27,844.07 and 11,226.66 is: 15,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.19 : 27,844.07 = 11,226.66 : x
  2. Step 2: Convert to fraction form
    20,179.19/27,844.07 = 11,226.66/x
  3. Step 3: Cross multiply
    20,179.19x = 27,844.07 × 11,226.66
  4. Step 4: Simplify right side
    20,179.19x = 312,595,850.77
  5. Step 5: Solve for x
    x = 312,595,850.77/20,179.19
  6. Step 6: Final answer
    x = 15,491.00

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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.