Home / 33,419.70-50,129.55-13,696.20

Finding the Fourth Proportional to 33,419.70, 50,129.55 and 13,696.20

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Solution

The fourth proportional to 33,419.70, 50,129.55 and 13,696.20 is: 20,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.70 : 50,129.55 = 13,696.20 : x
  2. Step 2: Convert to fraction form
    33,419.70/50,129.55 = 13,696.20/x
  3. Step 3: Cross multiply
    33,419.70x = 50,129.55 × 13,696.20
  4. Step 4: Simplify right side
    33,419.70x = 686,584,342.71
  5. Step 5: Solve for x
    x = 686,584,342.71/33,419.70
  6. Step 6: Final answer
    x = 20,544.30

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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.