Home / 23,644.86-32,629.69-12,889.73

Finding the Fourth Proportional to 23,644.86, 32,629.69 and 12,889.73

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Solution

The fourth proportional to 23,644.86, 32,629.69 and 12,889.73 is: 17,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.86 : 32,629.69 = 12,889.73 : x
  2. Step 2: Convert to fraction form
    23,644.86/32,629.69 = 12,889.73/x
  3. Step 3: Cross multiply
    23,644.86x = 32,629.69 × 12,889.73
  4. Step 4: Simplify right side
    23,644.86x = 420,587,894.08
  5. Step 5: Solve for x
    x = 420,587,894.08/23,644.86
  6. Step 6: Final answer
    x = 17,787.71

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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.