Home / 21,704.56-29,952.25-12,273.12

Finding the Fourth Proportional to 21,704.56, 29,952.25 and 12,273.12

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Solution

The fourth proportional to 21,704.56, 29,952.25 and 12,273.12 is: 16,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.56 : 29,952.25 = 12,273.12 : x
  2. Step 2: Convert to fraction form
    21,704.56/29,952.25 = 12,273.12/x
  3. Step 3: Cross multiply
    21,704.56x = 29,952.25 × 12,273.12
  4. Step 4: Simplify right side
    21,704.56x = 367,607,527.84
  5. Step 5: Solve for x
    x = 367,607,527.84/21,704.56
  6. Step 6: Final answer
    x = 16,936.88

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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.