Home / 19,884.56-27,443.22-11,499.44

Finding the Fourth Proportional to 19,884.56, 27,443.22 and 11,499.44

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Solution

The fourth proportional to 19,884.56, 27,443.22 and 11,499.44 is: 15,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.56 : 27,443.22 = 11,499.44 : x
  2. Step 2: Convert to fraction form
    19,884.56/27,443.22 = 11,499.44/x
  3. Step 3: Cross multiply
    19,884.56x = 27,443.22 × 11,499.44
  4. Step 4: Simplify right side
    19,884.56x = 315,581,661.80
  5. Step 5: Solve for x
    x = 315,581,661.80/19,884.56
  6. Step 6: Final answer
    x = 15,870.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.