Home / 33,083.64-45,650.28-19,654.55

Finding the Fourth Proportional to 33,083.64, 45,650.28 and 19,654.55

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Solution

The fourth proportional to 33,083.64, 45,650.28 and 19,654.55 is: 27,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.64 : 45,650.28 = 19,654.55 : x
  2. Step 2: Convert to fraction form
    33,083.64/45,650.28 = 19,654.55/x
  3. Step 3: Cross multiply
    33,083.64x = 45,650.28 × 19,654.55
  4. Step 4: Simplify right side
    33,083.64x = 897,235,727.42
  5. Step 5: Solve for x
    x = 897,235,727.42/33,083.64
  6. Step 6: Final answer
    x = 27,120.22

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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.