Home / 33,411.28-50,121.24-11,215.12

Finding the Fourth Proportional to 33,411.28, 50,121.24 and 11,215.12

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Solution

The fourth proportional to 33,411.28, 50,121.24 and 11,215.12 is: 16,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,411.28 : 50,121.24 = 11,215.12 : x
  2. Step 2: Convert to fraction form
    33,411.28/50,121.24 = 11,215.12/x
  3. Step 3: Cross multiply
    33,411.28x = 50,121.24 × 11,215.12
  4. Step 4: Simplify right side
    33,411.28x = 562,115,721.15
  5. Step 5: Solve for x
    x = 562,115,721.15/33,411.28
  6. Step 6: Final answer
    x = 16,824.13

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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.