Home / 18,288.08-27,433.22-5,141.48

Finding the Fourth Proportional to 18,288.08, 27,433.22 and 5,141.48

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Solution

The fourth proportional to 18,288.08, 27,433.22 and 5,141.48 is: 7,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.08 : 27,433.22 = 5,141.48 : x
  2. Step 2: Convert to fraction form
    18,288.08/27,433.22 = 5,141.48/x
  3. Step 3: Cross multiply
    18,288.08x = 27,433.22 × 5,141.48
  4. Step 4: Simplify right side
    18,288.08x = 141,047,351.97
  5. Step 5: Solve for x
    x = 141,047,351.97/18,288.08
  6. Step 6: Final answer
    x = 7,712.53

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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.