Home / 23,120.92-31,906.74-13,048.84

Finding the Fourth Proportional to 23,120.92, 31,906.74 and 13,048.84

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Solution

The fourth proportional to 23,120.92, 31,906.74 and 13,048.84 is: 18,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.92 : 31,906.74 = 13,048.84 : x
  2. Step 2: Convert to fraction form
    23,120.92/31,906.74 = 13,048.84/x
  3. Step 3: Cross multiply
    23,120.92x = 31,906.74 × 13,048.84
  4. Step 4: Simplify right side
    23,120.92x = 416,345,945.18
  5. Step 5: Solve for x
    x = 416,345,945.18/23,120.92
  6. Step 6: Final answer
    x = 18,007.33

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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.