Home / 22,629.92-33,915.59-12,634.40

Finding the Fourth Proportional to 22,629.92, 33,915.59 and 12,634.40

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Solution

The fourth proportional to 22,629.92, 33,915.59 and 12,634.40 is: 18,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.92 : 33,915.59 = 12,634.40 : x
  2. Step 2: Convert to fraction form
    22,629.92/33,915.59 = 12,634.40/x
  3. Step 3: Cross multiply
    22,629.92x = 33,915.59 × 12,634.40
  4. Step 4: Simplify right side
    22,629.92x = 428,503,067.12
  5. Step 5: Solve for x
    x = 428,503,067.12/22,629.92
  6. Step 6: Final answer
    x = 18,935.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.