Home / 19,936.46-29,909.39-11,177.42

Finding the Fourth Proportional to 19,936.46, 29,909.39 and 11,177.42

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Solution

The fourth proportional to 19,936.46, 29,909.39 and 11,177.42 is: 16,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.46 : 29,909.39 = 11,177.42 : x
  2. Step 2: Convert to fraction form
    19,936.46/29,909.39 = 11,177.42/x
  3. Step 3: Cross multiply
    19,936.46x = 29,909.39 × 11,177.42
  4. Step 4: Simplify right side
    19,936.46x = 334,309,813.97
  5. Step 5: Solve for x
    x = 334,309,813.97/19,936.46
  6. Step 6: Final answer
    x = 16,768.77

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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.