Home / 19,998.94-27,589.36-11,613.82

Finding the Fourth Proportional to 19,998.94, 27,589.36 and 11,613.82

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Solution

The fourth proportional to 19,998.94, 27,589.36 and 11,613.82 is: 16,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.94 : 27,589.36 = 11,613.82 : x
  2. Step 2: Convert to fraction form
    19,998.94/27,589.36 = 11,613.82/x
  3. Step 3: Cross multiply
    19,998.94x = 27,589.36 × 11,613.82
  4. Step 4: Simplify right side
    19,998.94x = 320,417,860.96
  5. Step 5: Solve for x
    x = 320,417,860.96/19,998.94
  6. Step 6: Final answer
    x = 16,021.74

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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.