Home / 23,185.88-31,973.22-20,625.68

Finding the Fourth Proportional to 23,185.88, 31,973.22 and 20,625.68

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Solution

The fourth proportional to 23,185.88, 31,973.22 and 20,625.68 is: 28,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.88 : 31,973.22 = 20,625.68 : x
  2. Step 2: Convert to fraction form
    23,185.88/31,973.22 = 20,625.68/x
  3. Step 3: Cross multiply
    23,185.88x = 31,973.22 × 20,625.68
  4. Step 4: Simplify right side
    23,185.88x = 659,469,244.42
  5. Step 5: Solve for x
    x = 659,469,244.42/23,185.88
  6. Step 6: Final answer
    x = 28,442.72

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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.