Home / 21,704.98-29,953.38-12,273.61

Finding the Fourth Proportional to 21,704.98, 29,953.38 and 12,273.61

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Solution

The fourth proportional to 21,704.98, 29,953.38 and 12,273.61 is: 16,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.98 : 29,953.38 = 12,273.61 : x
  2. Step 2: Convert to fraction form
    21,704.98/29,953.38 = 12,273.61/x
  3. Step 3: Cross multiply
    21,704.98x = 29,953.38 × 12,273.61
  4. Step 4: Simplify right side
    21,704.98x = 367,636,104.30
  5. Step 5: Solve for x
    x = 367,636,104.30/21,704.98
  6. Step 6: Final answer
    x = 16,937.87

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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.