Home / 21,704.22-29,952.64-12,272.22

Finding the Fourth Proportional to 21,704.22, 29,952.64 and 12,272.22

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Solution

The fourth proportional to 21,704.22, 29,952.64 and 12,272.22 is: 16,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.22 : 29,952.64 = 12,272.22 : x
  2. Step 2: Convert to fraction form
    21,704.22/29,952.64 = 12,272.22/x
  3. Step 3: Cross multiply
    21,704.22x = 29,952.64 × 12,272.22
  4. Step 4: Simplify right side
    21,704.22x = 367,585,387.66
  5. Step 5: Solve for x
    x = 367,585,387.66/21,704.22
  6. Step 6: Final answer
    x = 16,936.13

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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.