Home / 33,119.51-45,704.70-18,012.15

Finding the Fourth Proportional to 33,119.51, 45,704.70 and 18,012.15

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Solution

The fourth proportional to 33,119.51, 45,704.70 and 18,012.15 is: 24,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.51 : 45,704.70 = 18,012.15 : x
  2. Step 2: Convert to fraction form
    33,119.51/45,704.70 = 18,012.15/x
  3. Step 3: Cross multiply
    33,119.51x = 45,704.70 × 18,012.15
  4. Step 4: Simplify right side
    33,119.51x = 823,239,912.11
  5. Step 5: Solve for x
    x = 823,239,912.11/33,119.51
  6. Step 6: Final answer
    x = 24,856.65

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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.