Home / 14,198.16-21,297.24-6,397.86

Finding the Fourth Proportional to 14,198.16, 21,297.24 and 6,397.86

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Solution

The fourth proportional to 14,198.16, 21,297.24 and 6,397.86 is: 9,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.16 : 21,297.24 = 6,397.86 : x
  2. Step 2: Convert to fraction form
    14,198.16/21,297.24 = 6,397.86/x
  3. Step 3: Cross multiply
    14,198.16x = 21,297.24 × 6,397.86
  4. Step 4: Simplify right side
    14,198.16x = 136,256,759.91
  5. Step 5: Solve for x
    x = 136,256,759.91/14,198.16
  6. Step 6: Final answer
    x = 9,596.79

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Half scale
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Double scale
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Similar ratio
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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.