Home / 33,410.76-50,116.12-13,689.36

Finding the Fourth Proportional to 33,410.76, 50,116.12 and 13,689.36

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Solution

The fourth proportional to 33,410.76, 50,116.12 and 13,689.36 is: 20,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,410.76 : 50,116.12 = 13,689.36 : x
  2. Step 2: Convert to fraction form
    33,410.76/50,116.12 = 13,689.36/x
  3. Step 3: Cross multiply
    33,410.76x = 50,116.12 × 13,689.36
  4. Step 4: Simplify right side
    33,410.76x = 686,057,608.48
  5. Step 5: Solve for x
    x = 686,057,608.48/33,410.76
  6. Step 6: Final answer
    x = 20,534.03

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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.