Home / 20,179.94-27,845.10-11,227.41

Finding the Fourth Proportional to 20,179.94, 27,845.10 and 11,227.41

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Solution

The fourth proportional to 20,179.94, 27,845.10 and 11,227.41 is: 15,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.94 : 27,845.10 = 11,227.41 : x
  2. Step 2: Convert to fraction form
    20,179.94/27,845.10 = 11,227.41/x
  3. Step 3: Cross multiply
    20,179.94x = 27,845.10 × 11,227.41
  4. Step 4: Simplify right side
    20,179.94x = 312,628,354.19
  5. Step 5: Solve for x
    x = 312,628,354.19/20,179.94
  6. Step 6: Final answer
    x = 15,492.04

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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.