Home / 22,996.68-31,731.10-12,923.80

Finding the Fourth Proportional to 22,996.68, 31,731.10 and 12,923.80

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Solution

The fourth proportional to 22,996.68, 31,731.10 and 12,923.80 is: 17,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.68 : 31,731.10 = 12,923.80 : x
  2. Step 2: Convert to fraction form
    22,996.68/31,731.10 = 12,923.80/x
  3. Step 3: Cross multiply
    22,996.68x = 31,731.10 × 12,923.80
  4. Step 4: Simplify right side
    22,996.68x = 410,086,390.18
  5. Step 5: Solve for x
    x = 410,086,390.18/22,996.68
  6. Step 6: Final answer
    x = 17,832.42

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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.