Home / 22,175.32-30,601.78-12,103.64

Finding the Fourth Proportional to 22,175.32, 30,601.78 and 12,103.64

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Solution

The fourth proportional to 22,175.32, 30,601.78 and 12,103.64 is: 16,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.32 : 30,601.78 = 12,103.64 : x
  2. Step 2: Convert to fraction form
    22,175.32/30,601.78 = 12,103.64/x
  3. Step 3: Cross multiply
    22,175.32x = 30,601.78 × 12,103.64
  4. Step 4: Simplify right side
    22,175.32x = 370,392,928.48
  5. Step 5: Solve for x
    x = 370,392,928.48/22,175.32
  6. Step 6: Final answer
    x = 16,702.93

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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.