Home / 33,121.63-45,707.40-18,013.97

Finding the Fourth Proportional to 33,121.63, 45,707.40 and 18,013.97

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Solution

The fourth proportional to 33,121.63, 45,707.40 and 18,013.97 is: 24,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.63 : 45,707.40 = 18,013.97 : x
  2. Step 2: Convert to fraction form
    33,121.63/45,707.40 = 18,013.97/x
  3. Step 3: Cross multiply
    33,121.63x = 45,707.40 × 18,013.97
  4. Step 4: Simplify right side
    33,121.63x = 823,371,732.38
  5. Step 5: Solve for x
    x = 823,371,732.38/33,121.63
  6. Step 6: Final answer
    x = 24,859.03

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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.