Home / 22,945.07-31,664.42-12,873.73

Finding the Fourth Proportional to 22,945.07, 31,664.42 and 12,873.73

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Solution

The fourth proportional to 22,945.07, 31,664.42 and 12,873.73 is: 17,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.07 : 31,664.42 = 12,873.73 : x
  2. Step 2: Convert to fraction form
    22,945.07/31,664.42 = 12,873.73/x
  3. Step 3: Cross multiply
    22,945.07x = 31,664.42 × 12,873.73
  4. Step 4: Simplify right side
    22,945.07x = 407,639,193.69
  5. Step 5: Solve for x
    x = 407,639,193.69/22,945.07
  6. Step 6: Final answer
    x = 17,765.87

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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.