Home / 13,725.39-20,591.21-4,960.32

Finding the Fourth Proportional to 13,725.39, 20,591.21 and 4,960.32

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Solution

The fourth proportional to 13,725.39, 20,591.21 and 4,960.32 is: 7,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.39 : 20,591.21 = 4,960.32 : x
  2. Step 2: Convert to fraction form
    13,725.39/20,591.21 = 4,960.32/x
  3. Step 3: Cross multiply
    13,725.39x = 20,591.21 × 4,960.32
  4. Step 4: Simplify right side
    13,725.39x = 102,138,990.79
  5. Step 5: Solve for x
    x = 102,138,990.79/13,725.39
  6. Step 6: Final answer
    x = 7,441.61

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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.