Home / 18,581.10-27,873.45-5,433.54

Finding the Fourth Proportional to 18,581.10, 27,873.45 and 5,433.54

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Solution

The fourth proportional to 18,581.10, 27,873.45 and 5,433.54 is: 8,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.10 : 27,873.45 = 5,433.54 : x
  2. Step 2: Convert to fraction form
    18,581.10/27,873.45 = 5,433.54/x
  3. Step 3: Cross multiply
    18,581.10x = 27,873.45 × 5,433.54
  4. Step 4: Simplify right side
    18,581.10x = 151,451,505.51
  5. Step 5: Solve for x
    x = 151,451,505.51/18,581.10
  6. Step 6: Final answer
    x = 8,150.84

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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.