Home / 14,087.59-21,131.42-4,226.99

Finding the Fourth Proportional to 14,087.59, 21,131.42 and 4,226.99

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Solution

The fourth proportional to 14,087.59, 21,131.42 and 4,226.99 is: 6,340.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.59 : 21,131.42 = 4,226.99 : x
  2. Step 2: Convert to fraction form
    14,087.59/21,131.42 = 4,226.99/x
  3. Step 3: Cross multiply
    14,087.59x = 21,131.42 × 4,226.99
  4. Step 4: Simplify right side
    14,087.59x = 89,322,174.23
  5. Step 5: Solve for x
    x = 89,322,174.23/14,087.59
  6. Step 6: Final answer
    x = 6,340.49

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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.