Home / 33,120.13-45,705.33-18,012.46

Finding the Fourth Proportional to 33,120.13, 45,705.33 and 18,012.46

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Solution

The fourth proportional to 33,120.13, 45,705.33 and 18,012.46 is: 24,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.13 : 45,705.33 = 18,012.46 : x
  2. Step 2: Convert to fraction form
    33,120.13/45,705.33 = 18,012.46/x
  3. Step 3: Cross multiply
    33,120.13x = 45,705.33 × 18,012.46
  4. Step 4: Simplify right side
    33,120.13x = 823,265,592.67
  5. Step 5: Solve for x
    x = 823,265,592.67/33,120.13
  6. Step 6: Final answer
    x = 24,856.96

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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.