Home / 18,015.06-27,023.36-5,535.57

Finding the Fourth Proportional to 18,015.06, 27,023.36 and 5,535.57

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Solution

The fourth proportional to 18,015.06, 27,023.36 and 5,535.57 is: 8,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.06 : 27,023.36 = 5,535.57 : x
  2. Step 2: Convert to fraction form
    18,015.06/27,023.36 = 5,535.57/x
  3. Step 3: Cross multiply
    18,015.06x = 27,023.36 × 5,535.57
  4. Step 4: Simplify right side
    18,015.06x = 149,589,700.92
  5. Step 5: Solve for x
    x = 149,589,700.92/18,015.06
  6. Step 6: Final answer
    x = 8,303.59

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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.