Home / 23,180.06-31,993.26-13,108.91

Finding the Fourth Proportional to 23,180.06, 31,993.26 and 13,108.91

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Solution

The fourth proportional to 23,180.06, 31,993.26 and 13,108.91 is: 18,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.06 : 31,993.26 = 13,108.91 : x
  2. Step 2: Convert to fraction form
    23,180.06/31,993.26 = 13,108.91/x
  3. Step 3: Cross multiply
    23,180.06x = 31,993.26 × 13,108.91
  4. Step 4: Simplify right side
    23,180.06x = 419,396,765.95
  5. Step 5: Solve for x
    x = 419,396,765.95/23,180.06
  6. Step 6: Final answer
    x = 18,093.00

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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.