Home / 23,190.82-31,991.07-16,479.16

Finding the Fourth Proportional to 23,190.82, 31,991.07 and 16,479.16

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Solution

The fourth proportional to 23,190.82, 31,991.07 and 16,479.16 is: 22,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.82 : 31,991.07 = 16,479.16 : x
  2. Step 2: Convert to fraction form
    23,190.82/31,991.07 = 16,479.16/x
  3. Step 3: Cross multiply
    23,190.82x = 31,991.07 × 16,479.16
  4. Step 4: Simplify right side
    23,190.82x = 527,185,801.15
  5. Step 5: Solve for x
    x = 527,185,801.15/23,190.82
  6. Step 6: Final answer
    x = 22,732.53

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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.