Home / 16,939.63-23,380.60-11,274.61

Finding the Fourth Proportional to 16,939.63, 23,380.60 and 11,274.61

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Solution

The fourth proportional to 16,939.63, 23,380.60 and 11,274.61 is: 15,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.63 : 23,380.60 = 11,274.61 : x
  2. Step 2: Convert to fraction form
    16,939.63/23,380.60 = 11,274.61/x
  3. Step 3: Cross multiply
    16,939.63x = 23,380.60 × 11,274.61
  4. Step 4: Simplify right side
    16,939.63x = 263,607,124.91
  5. Step 5: Solve for x
    x = 263,607,124.91/16,939.63
  6. Step 6: Final answer
    x = 15,561.56

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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.