Home / 22,129.39-30,537.97-12,057.85

Finding the Fourth Proportional to 22,129.39, 30,537.97 and 12,057.85

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Solution

The fourth proportional to 22,129.39, 30,537.97 and 12,057.85 is: 16,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.39 : 30,537.97 = 12,057.85 : x
  2. Step 2: Convert to fraction form
    22,129.39/30,537.97 = 12,057.85/x
  3. Step 3: Cross multiply
    22,129.39x = 30,537.97 × 12,057.85
  4. Step 4: Simplify right side
    22,129.39x = 368,222,261.56
  5. Step 5: Solve for x
    x = 368,222,261.56/22,129.39
  6. Step 6: Final answer
    x = 16,639.51

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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.