Home / 22,445.20-33,618.84-18,505.36

Finding the Fourth Proportional to 22,445.20, 33,618.84 and 18,505.36

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Solution

The fourth proportional to 22,445.20, 33,618.84 and 18,505.36 is: 27,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.20 : 33,618.84 = 18,505.36 : x
  2. Step 2: Convert to fraction form
    22,445.20/33,618.84 = 18,505.36/x
  3. Step 3: Cross multiply
    22,445.20x = 33,618.84 × 18,505.36
  4. Step 4: Simplify right side
    22,445.20x = 622,128,736.98
  5. Step 5: Solve for x
    x = 622,128,736.98/22,445.20
  6. Step 6: Final answer
    x = 27,717.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.