Home / 20,198.48-27,873.63-11,814.98

Finding the Fourth Proportional to 20,198.48, 27,873.63 and 11,814.98

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Solution

The fourth proportional to 20,198.48, 27,873.63 and 11,814.98 is: 16,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.48 : 27,873.63 = 11,814.98 : x
  2. Step 2: Convert to fraction form
    20,198.48/27,873.63 = 11,814.98/x
  3. Step 3: Cross multiply
    20,198.48x = 27,873.63 × 11,814.98
  4. Step 4: Simplify right side
    20,198.48x = 329,326,241.61
  5. Step 5: Solve for x
    x = 329,326,241.61/20,198.48
  6. Step 6: Final answer
    x = 16,304.51

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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.