Home / 33,013.06-45,557.40-18,672.64

Finding the Fourth Proportional to 33,013.06, 45,557.40 and 18,672.64

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Solution

The fourth proportional to 33,013.06, 45,557.40 and 18,672.64 is: 25,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.06 : 45,557.40 = 18,672.64 : x
  2. Step 2: Convert to fraction form
    33,013.06/45,557.40 = 18,672.64/x
  3. Step 3: Cross multiply
    33,013.06x = 45,557.40 × 18,672.64
  4. Step 4: Simplify right side
    33,013.06x = 850,676,929.54
  5. Step 5: Solve for x
    x = 850,676,929.54/33,013.06
  6. Step 6: Final answer
    x = 25,767.89

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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.