Home / 23,687.50-35,512.39-13,680.86

Finding the Fourth Proportional to 23,687.50, 35,512.39 and 13,680.86

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Solution

The fourth proportional to 23,687.50, 35,512.39 and 13,680.86 is: 20,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.50 : 35,512.39 = 13,680.86 : x
  2. Step 2: Convert to fraction form
    23,687.50/35,512.39 = 13,680.86/x
  3. Step 3: Cross multiply
    23,687.50x = 35,512.39 × 13,680.86
  4. Step 4: Simplify right side
    23,687.50x = 485,840,067.37
  5. Step 5: Solve for x
    x = 485,840,067.37/23,687.50
  6. Step 6: Final answer
    x = 20,510.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.