Home / 33,128.19-45,717.26-18,020.89

Finding the Fourth Proportional to 33,128.19, 45,717.26 and 18,020.89

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Solution

The fourth proportional to 33,128.19, 45,717.26 and 18,020.89 is: 24,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.19 : 45,717.26 = 18,020.89 : x
  2. Step 2: Convert to fraction form
    33,128.19/45,717.26 = 18,020.89/x
  3. Step 3: Cross multiply
    33,128.19x = 45,717.26 × 18,020.89
  4. Step 4: Simplify right side
    33,128.19x = 823,865,713.56
  5. Step 5: Solve for x
    x = 823,865,713.56/33,128.19
  6. Step 6: Final answer
    x = 24,869.02

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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.