Home / 21,732.26-29,990.86-11,796.26

Finding the Fourth Proportional to 21,732.26, 29,990.86 and 11,796.26

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Solution

The fourth proportional to 21,732.26, 29,990.86 and 11,796.26 is: 16,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.26 : 29,990.86 = 11,796.26 : x
  2. Step 2: Convert to fraction form
    21,732.26/29,990.86 = 11,796.26/x
  3. Step 3: Cross multiply
    21,732.26x = 29,990.86 × 11,796.26
  4. Step 4: Simplify right side
    21,732.26x = 353,779,982.18
  5. Step 5: Solve for x
    x = 353,779,982.18/21,732.26
  6. Step 6: Final answer
    x = 16,279.02

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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.