Home / 14,216.46-19,618.62-7,843.38

Finding the Fourth Proportional to 14,216.46, 19,618.62 and 7,843.38

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Solution

The fourth proportional to 14,216.46, 19,618.62 and 7,843.38 is: 10,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.46 : 19,618.62 = 7,843.38 : x
  2. Step 2: Convert to fraction form
    14,216.46/19,618.62 = 7,843.38/x
  3. Step 3: Cross multiply
    14,216.46x = 19,618.62 × 7,843.38
  4. Step 4: Simplify right side
    14,216.46x = 153,876,291.74
  5. Step 5: Solve for x
    x = 153,876,291.74/14,216.46
  6. Step 6: Final answer
    x = 10,823.81

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Half scale
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Double scale
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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.