Home / 14,220.48-21,330.72-3,833.28

Finding the Fourth Proportional to 14,220.48, 21,330.72 and 3,833.28

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Solution

The fourth proportional to 14,220.48, 21,330.72 and 3,833.28 is: 5,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.48 : 21,330.72 = 3,833.28 : x
  2. Step 2: Convert to fraction form
    14,220.48/21,330.72 = 3,833.28/x
  3. Step 3: Cross multiply
    14,220.48x = 21,330.72 × 3,833.28
  4. Step 4: Simplify right side
    14,220.48x = 81,766,622.36
  5. Step 5: Solve for x
    x = 81,766,622.36/14,220.48
  6. Step 6: Final answer
    x = 5,749.92

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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.