Home / 19,835.88-27,377.12-11,876.44

Finding the Fourth Proportional to 19,835.88, 27,377.12 and 11,876.44

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Solution

The fourth proportional to 19,835.88, 27,377.12 and 11,876.44 is: 16,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.88 : 27,377.12 = 11,876.44 : x
  2. Step 2: Convert to fraction form
    19,835.88/27,377.12 = 11,876.44/x
  3. Step 3: Cross multiply
    19,835.88x = 27,377.12 × 11,876.44
  4. Step 4: Simplify right side
    19,835.88x = 325,142,723.05
  5. Step 5: Solve for x
    x = 325,142,723.05/19,835.88
  6. Step 6: Final answer
    x = 16,391.65

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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.