Home / 22,032.82-30,405.61-11,961.28

Finding the Fourth Proportional to 22,032.82, 30,405.61 and 11,961.28

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Solution

The fourth proportional to 22,032.82, 30,405.61 and 11,961.28 is: 16,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.82 : 30,405.61 = 11,961.28 : x
  2. Step 2: Convert to fraction form
    22,032.82/30,405.61 = 11,961.28/x
  3. Step 3: Cross multiply
    22,032.82x = 30,405.61 × 11,961.28
  4. Step 4: Simplify right side
    22,032.82x = 363,690,014.78
  5. Step 5: Solve for x
    x = 363,690,014.78/22,032.82
  6. Step 6: Final answer
    x = 16,506.74

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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.