Home / 33,005.17-45,546.54-18,664.78

Finding the Fourth Proportional to 33,005.17, 45,546.54 and 18,664.78

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Solution

The fourth proportional to 33,005.17, 45,546.54 and 18,664.78 is: 25,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.17 : 45,546.54 = 18,664.78 : x
  2. Step 2: Convert to fraction form
    33,005.17/45,546.54 = 18,664.78/x
  3. Step 3: Cross multiply
    33,005.17x = 45,546.54 × 18,664.78
  4. Step 4: Simplify right side
    33,005.17x = 850,116,148.86
  5. Step 5: Solve for x
    x = 850,116,148.86/33,005.17
  6. Step 6: Final answer
    x = 25,757.06

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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.