Home / 23,162.09-31,963.56-12,551.63

Finding the Fourth Proportional to 23,162.09, 31,963.56 and 12,551.63

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Solution

The fourth proportional to 23,162.09, 31,963.56 and 12,551.63 is: 17,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.09 : 31,963.56 = 12,551.63 : x
  2. Step 2: Convert to fraction form
    23,162.09/31,963.56 = 12,551.63/x
  3. Step 3: Cross multiply
    23,162.09x = 31,963.56 × 12,551.63
  4. Step 4: Simplify right side
    23,162.09x = 401,194,778.60
  5. Step 5: Solve for x
    x = 401,194,778.60/23,162.09
  6. Step 6: Final answer
    x = 17,321.18

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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.