Home / 16,939.60-23,380.53-11,274.59

Finding the Fourth Proportional to 16,939.60, 23,380.53 and 11,274.59

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Solution

The fourth proportional to 16,939.60, 23,380.53 and 11,274.59 is: 15,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.60 : 23,380.53 = 11,274.59 : x
  2. Step 2: Convert to fraction form
    16,939.60/23,380.53 = 11,274.59/x
  3. Step 3: Cross multiply
    16,939.60x = 23,380.53 × 11,274.59
  4. Step 4: Simplify right side
    16,939.60x = 263,605,889.73
  5. Step 5: Solve for x
    x = 263,605,889.73/16,939.60
  6. Step 6: Final answer
    x = 15,561.52

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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.