Home / 23,065.97-31,830.89-12,997.66

Finding the Fourth Proportional to 23,065.97, 31,830.89 and 12,997.66

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Solution

The fourth proportional to 23,065.97, 31,830.89 and 12,997.66 is: 17,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,065.97 : 31,830.89 = 12,997.66 : x
  2. Step 2: Convert to fraction form
    23,065.97/31,830.89 = 12,997.66/x
  3. Step 3: Cross multiply
    23,065.97x = 31,830.89 × 12,997.66
  4. Step 4: Simplify right side
    23,065.97x = 413,726,926.56
  5. Step 5: Solve for x
    x = 413,726,926.56/23,065.97
  6. Step 6: Final answer
    x = 17,936.68

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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.