Home / 18,179.66-27,253.32-7,083.76

Finding the Fourth Proportional to 18,179.66, 27,253.32 and 7,083.76

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Solution

The fourth proportional to 18,179.66, 27,253.32 and 7,083.76 is: 10,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.66 : 27,253.32 = 7,083.76 : x
  2. Step 2: Convert to fraction form
    18,179.66/27,253.32 = 7,083.76/x
  3. Step 3: Cross multiply
    18,179.66x = 27,253.32 × 7,083.76
  4. Step 4: Simplify right side
    18,179.66x = 193,055,978.08
  5. Step 5: Solve for x
    x = 193,055,978.08/18,179.66
  6. Step 6: Final answer
    x = 10,619.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.