Home / 33,663.78-46,453.28-19,517.54

Finding the Fourth Proportional to 33,663.78, 46,453.28 and 19,517.54

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Solution

The fourth proportional to 33,663.78, 46,453.28 and 19,517.54 is: 26,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,663.78 : 46,453.28 = 19,517.54 : x
  2. Step 2: Convert to fraction form
    33,663.78/46,453.28 = 19,517.54/x
  3. Step 3: Cross multiply
    33,663.78x = 46,453.28 × 19,517.54
  4. Step 4: Simplify right side
    33,663.78x = 906,653,420.68
  5. Step 5: Solve for x
    x = 906,653,420.68/33,663.78
  6. Step 6: Final answer
    x = 26,932.61

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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.