Home / 13,847.49-20,762.73-5,517.86

Finding the Fourth Proportional to 13,847.49, 20,762.73 and 5,517.86

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Solution

The fourth proportional to 13,847.49, 20,762.73 and 5,517.86 is: 8,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.49 : 20,762.73 = 5,517.86 : x
  2. Step 2: Convert to fraction form
    13,847.49/20,762.73 = 5,517.86/x
  3. Step 3: Cross multiply
    13,847.49x = 20,762.73 × 5,517.86
  4. Step 4: Simplify right side
    13,847.49x = 114,565,733.54
  5. Step 5: Solve for x
    x = 114,565,733.54/13,847.49
  6. Step 6: Final answer
    x = 8,273.39

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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.