Home / 13,571.75-20,353.72-4,684.77

Finding the Fourth Proportional to 13,571.75, 20,353.72 and 4,684.77

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Solution

The fourth proportional to 13,571.75, 20,353.72 and 4,684.77 is: 7,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.75 : 20,353.72 = 4,684.77 : x
  2. Step 2: Convert to fraction form
    13,571.75/20,353.72 = 4,684.77/x
  3. Step 3: Cross multiply
    13,571.75x = 20,353.72 × 4,684.77
  4. Step 4: Simplify right side
    13,571.75x = 95,352,496.84
  5. Step 5: Solve for x
    x = 95,352,496.84/13,571.75
  6. Step 6: Final answer
    x = 7,025.81

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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.