Home / 18,568.20-27,844.47-7,890.24

Finding the Fourth Proportional to 18,568.20, 27,844.47 and 7,890.24

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Solution

The fourth proportional to 18,568.20, 27,844.47 and 7,890.24 is: 11,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.20 : 27,844.47 = 7,890.24 : x
  2. Step 2: Convert to fraction form
    18,568.20/27,844.47 = 7,890.24/x
  3. Step 3: Cross multiply
    18,568.20x = 27,844.47 × 7,890.24
  4. Step 4: Simplify right side
    18,568.20x = 219,699,550.97
  5. Step 5: Solve for x
    x = 219,699,550.97/18,568.20
  6. Step 6: Final answer
    x = 11,832.03

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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.