Home / 33,198.60-45,808.74-19,769.40

Finding the Fourth Proportional to 33,198.60, 45,808.74 and 19,769.40

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Solution

The fourth proportional to 33,198.60, 45,808.74 and 19,769.40 is: 27,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.60 : 45,808.74 = 19,769.40 : x
  2. Step 2: Convert to fraction form
    33,198.60/45,808.74 = 19,769.40/x
  3. Step 3: Cross multiply
    33,198.60x = 45,808.74 × 19,769.40
  4. Step 4: Simplify right side
    33,198.60x = 905,611,304.56
  5. Step 5: Solve for x
    x = 905,611,304.56/33,198.60
  6. Step 6: Final answer
    x = 27,278.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.