Home / 33,022.55-45,560.34-18,680.99

Finding the Fourth Proportional to 33,022.55, 45,560.34 and 18,680.99

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Solution

The fourth proportional to 33,022.55, 45,560.34 and 18,680.99 is: 25,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,022.55 : 45,560.34 = 18,680.99 : x
  2. Step 2: Convert to fraction form
    33,022.55/45,560.34 = 18,680.99/x
  3. Step 3: Cross multiply
    33,022.55x = 45,560.34 × 18,680.99
  4. Step 4: Simplify right side
    33,022.55x = 851,112,255.94
  5. Step 5: Solve for x
    x = 851,112,255.94/33,022.55
  6. Step 6: Final answer
    x = 25,773.67

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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.