Home / 18,693.44-28,010.82-11,753.36

Finding the Fourth Proportional to 18,693.44, 28,010.82 and 11,753.36

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Solution

The fourth proportional to 18,693.44, 28,010.82 and 11,753.36 is: 17,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.44 : 28,010.82 = 11,753.36 : x
  2. Step 2: Convert to fraction form
    18,693.44/28,010.82 = 11,753.36/x
  3. Step 3: Cross multiply
    18,693.44x = 28,010.82 × 11,753.36
  4. Step 4: Simplify right side
    18,693.44x = 329,221,251.36
  5. Step 5: Solve for x
    x = 329,221,251.36/18,693.44
  6. Step 6: Final answer
    x = 17,611.59

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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.