Home / 22,529.46-31,087.92-12,456.54

Finding the Fourth Proportional to 22,529.46, 31,087.92 and 12,456.54

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Solution

The fourth proportional to 22,529.46, 31,087.92 and 12,456.54 is: 17,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.46 : 31,087.92 = 12,456.54 : x
  2. Step 2: Convert to fraction form
    22,529.46/31,087.92 = 12,456.54/x
  3. Step 3: Cross multiply
    22,529.46x = 31,087.92 × 12,456.54
  4. Step 4: Simplify right side
    22,529.46x = 387,247,919.00
  5. Step 5: Solve for x
    x = 387,247,919.00/22,529.46
  6. Step 6: Final answer
    x = 17,188.51

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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.