Home / 19,388.82-26,759.07-11,833.56

Finding the Fourth Proportional to 19,388.82, 26,759.07 and 11,833.56

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Solution

The fourth proportional to 19,388.82, 26,759.07 and 11,833.56 is: 16,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.82 : 26,759.07 = 11,833.56 : x
  2. Step 2: Convert to fraction form
    19,388.82/26,759.07 = 11,833.56/x
  3. Step 3: Cross multiply
    19,388.82x = 26,759.07 × 11,833.56
  4. Step 4: Simplify right side
    19,388.82x = 316,655,060.39
  5. Step 5: Solve for x
    x = 316,655,060.39/19,388.82
  6. Step 6: Final answer
    x = 16,331.84

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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.