Home / 22,032.72-30,405.18-11,961.17

Finding the Fourth Proportional to 22,032.72, 30,405.18 and 11,961.17

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Solution

The fourth proportional to 22,032.72, 30,405.18 and 11,961.17 is: 16,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.72 : 30,405.18 = 11,961.17 : x
  2. Step 2: Convert to fraction form
    22,032.72/30,405.18 = 11,961.17/x
  3. Step 3: Cross multiply
    22,032.72x = 30,405.18 × 11,961.17
  4. Step 4: Simplify right side
    22,032.72x = 363,681,374.83
  5. Step 5: Solve for x
    x = 363,681,374.83/22,032.72
  6. Step 6: Final answer
    x = 16,506.42

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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.