Home / 22,601.11-31,201.94-15,441.79

Finding the Fourth Proportional to 22,601.11, 31,201.94 and 15,441.79

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Solution

The fourth proportional to 22,601.11, 31,201.94 and 15,441.79 is: 21,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.11 : 31,201.94 = 15,441.79 : x
  2. Step 2: Convert to fraction form
    22,601.11/31,201.94 = 15,441.79/x
  3. Step 3: Cross multiply
    22,601.11x = 31,201.94 × 15,441.79
  4. Step 4: Simplify right side
    22,601.11x = 481,813,805.07
  5. Step 5: Solve for x
    x = 481,813,805.07/22,601.11
  6. Step 6: Final answer
    x = 21,318.15

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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.