Home / 22,905.20-31,610.09-12,833.73

Finding the Fourth Proportional to 22,905.20, 31,610.09 and 12,833.73

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Solution

The fourth proportional to 22,905.20, 31,610.09 and 12,833.73 is: 17,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.20 : 31,610.09 = 12,833.73 : x
  2. Step 2: Convert to fraction form
    22,905.20/31,610.09 = 12,833.73/x
  3. Step 3: Cross multiply
    22,905.20x = 31,610.09 × 12,833.73
  4. Step 4: Simplify right side
    22,905.20x = 405,675,360.34
  5. Step 5: Solve for x
    x = 405,675,360.34/22,905.20
  6. Step 6: Final answer
    x = 17,711.06

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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.