Home / 12,922.96-17,789.96-11,596.20

Finding the Fourth Proportional to 12,922.96, 17,789.96 and 11,596.20

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Solution

The fourth proportional to 12,922.96, 17,789.96 and 11,596.20 is: 15,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.96 : 17,789.96 = 11,596.20 : x
  2. Step 2: Convert to fraction form
    12,922.96/17,789.96 = 11,596.20/x
  3. Step 3: Cross multiply
    12,922.96x = 17,789.96 × 11,596.20
  4. Step 4: Simplify right side
    12,922.96x = 206,295,934.15
  5. Step 5: Solve for x
    x = 206,295,934.15/12,922.96
  6. Step 6: Final answer
    x = 15,963.52

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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.