Home / 18,573.51-27,867.38-11,183.25

Finding the Fourth Proportional to 18,573.51, 27,867.38 and 11,183.25

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Solution

The fourth proportional to 18,573.51, 27,867.38 and 11,183.25 is: 16,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.51 : 27,867.38 = 11,183.25 : x
  2. Step 2: Convert to fraction form
    18,573.51/27,867.38 = 11,183.25/x
  3. Step 3: Cross multiply
    18,573.51x = 27,867.38 × 11,183.25
  4. Step 4: Simplify right side
    18,573.51x = 311,647,821.47
  5. Step 5: Solve for x
    x = 311,647,821.47/18,573.51
  6. Step 6: Final answer
    x = 16,779.16

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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.