Home / 13,792.04-20,671.86-6,380.84

Finding the Fourth Proportional to 13,792.04, 20,671.86 and 6,380.84

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Solution

The fourth proportional to 13,792.04, 20,671.86 and 6,380.84 is: 9,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.04 : 20,671.86 = 6,380.84 : x
  2. Step 2: Convert to fraction form
    13,792.04/20,671.86 = 6,380.84/x
  3. Step 3: Cross multiply
    13,792.04x = 20,671.86 × 6,380.84
  4. Step 4: Simplify right side
    13,792.04x = 131,903,850.94
  5. Step 5: Solve for x
    x = 131,903,850.94/13,792.04
  6. Step 6: Final answer
    x = 9,563.77

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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.