Home / 33,013.08-45,557.38-18,672.64

Finding the Fourth Proportional to 33,013.08, 45,557.38 and 18,672.64

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Solution

The fourth proportional to 33,013.08, 45,557.38 and 18,672.64 is: 25,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.08 : 45,557.38 = 18,672.64 : x
  2. Step 2: Convert to fraction form
    33,013.08/45,557.38 = 18,672.64/x
  3. Step 3: Cross multiply
    33,013.08x = 45,557.38 × 18,672.64
  4. Step 4: Simplify right side
    33,013.08x = 850,676,556.08
  5. Step 5: Solve for x
    x = 850,676,556.08/33,013.08
  6. Step 6: Final answer
    x = 25,767.86

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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.