Home / 14,249.88-21,374.82-9,039.96

Finding the Fourth Proportional to 14,249.88, 21,374.82 and 9,039.96

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Solution

The fourth proportional to 14,249.88, 21,374.82 and 9,039.96 is: 13,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.88 : 21,374.82 = 9,039.96 : x
  2. Step 2: Convert to fraction form
    14,249.88/21,374.82 = 9,039.96/x
  3. Step 3: Cross multiply
    14,249.88x = 21,374.82 × 9,039.96
  4. Step 4: Simplify right side
    14,249.88x = 193,227,517.81
  5. Step 5: Solve for x
    x = 193,227,517.81/14,249.88
  6. Step 6: Final answer
    x = 13,559.94

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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.