Home / 14,220.96-21,331.44-3,832.71

Finding the Fourth Proportional to 14,220.96, 21,331.44 and 3,832.71

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Solution

The fourth proportional to 14,220.96, 21,331.44 and 3,832.71 is: 5,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.96 : 21,331.44 = 3,832.71 : x
  2. Step 2: Convert to fraction form
    14,220.96/21,331.44 = 3,832.71/x
  3. Step 3: Cross multiply
    14,220.96x = 21,331.44 × 3,832.71
  4. Step 4: Simplify right side
    14,220.96x = 81,757,223.40
  5. Step 5: Solve for x
    x = 81,757,223.40/14,220.96
  6. Step 6: Final answer
    x = 5,749.07

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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.