Home / 13,584.94-20,380.47-4,819.84

Finding the Fourth Proportional to 13,584.94, 20,380.47 and 4,819.84

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Solution

The fourth proportional to 13,584.94, 20,380.47 and 4,819.84 is: 7,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.94 : 20,380.47 = 4,819.84 : x
  2. Step 2: Convert to fraction form
    13,584.94/20,380.47 = 4,819.84/x
  3. Step 3: Cross multiply
    13,584.94x = 20,380.47 × 4,819.84
  4. Step 4: Simplify right side
    13,584.94x = 98,230,604.52
  5. Step 5: Solve for x
    x = 98,230,604.52/13,584.94
  6. Step 6: Final answer
    x = 7,230.85

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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.