Home / 19,723.44-27,218.64-11,226.96

Finding the Fourth Proportional to 19,723.44, 27,218.64 and 11,226.96

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Solution

The fourth proportional to 19,723.44, 27,218.64 and 11,226.96 is: 15,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.44 : 27,218.64 = 11,226.96 : x
  2. Step 2: Convert to fraction form
    19,723.44/27,218.64 = 11,226.96/x
  3. Step 3: Cross multiply
    19,723.44x = 27,218.64 × 11,226.96
  4. Step 4: Simplify right side
    19,723.44x = 305,582,582.53
  5. Step 5: Solve for x
    x = 305,582,582.53/19,723.44
  6. Step 6: Final answer
    x = 15,493.37

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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.