Home / 33,403.12-50,106.84-11,215.60

Finding the Fourth Proportional to 33,403.12, 50,106.84 and 11,215.60

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Solution

The fourth proportional to 33,403.12, 50,106.84 and 11,215.60 is: 16,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,403.12 : 50,106.84 = 11,215.60 : x
  2. Step 2: Convert to fraction form
    33,403.12/50,106.84 = 11,215.60/x
  3. Step 3: Cross multiply
    33,403.12x = 50,106.84 × 11,215.60
  4. Step 4: Simplify right side
    33,403.12x = 561,978,274.70
  5. Step 5: Solve for x
    x = 561,978,274.70/33,403.12
  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.