Home / 14,205.44-21,308.15-3,817.19

Finding the Fourth Proportional to 14,205.44, 21,308.15 and 3,817.19

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Solution

The fourth proportional to 14,205.44, 21,308.15 and 3,817.19 is: 5,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.44 : 21,308.15 = 3,817.19 : x
  2. Step 2: Convert to fraction form
    14,205.44/21,308.15 = 3,817.19/x
  3. Step 3: Cross multiply
    14,205.44x = 21,308.15 × 3,817.19
  4. Step 4: Simplify right side
    14,205.44x = 81,337,131.47
  5. Step 5: Solve for x
    x = 81,337,131.47/14,205.44
  6. Step 6: Final answer
    x = 5,725.78

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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.