Home / 21,229.48-29,293.14-11,796.76

Finding the Fourth Proportional to 21,229.48, 29,293.14 and 11,796.76

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Solution

The fourth proportional to 21,229.48, 29,293.14 and 11,796.76 is: 16,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,229.48 : 29,293.14 = 11,796.76 : x
  2. Step 2: Convert to fraction form
    21,229.48/29,293.14 = 11,796.76/x
  3. Step 3: Cross multiply
    21,229.48x = 29,293.14 × 11,796.76
  4. Step 4: Simplify right side
    21,229.48x = 345,564,142.23
  5. Step 5: Solve for x
    x = 345,564,142.23/21,229.48
  6. Step 6: Final answer
    x = 16,277.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.