Home / 23,162.22-31,963.89-12,551.78

Finding the Fourth Proportional to 23,162.22, 31,963.89 and 12,551.78

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Solution

The fourth proportional to 23,162.22, 31,963.89 and 12,551.78 is: 17,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.22 : 31,963.89 = 12,551.78 : x
  2. Step 2: Convert to fraction form
    23,162.22/31,963.89 = 12,551.78/x
  3. Step 3: Cross multiply
    23,162.22x = 31,963.89 × 12,551.78
  4. Step 4: Simplify right side
    23,162.22x = 401,203,555.40
  5. Step 5: Solve for x
    x = 401,203,555.40/23,162.22
  6. Step 6: Final answer
    x = 17,321.46

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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.