Home / 13,416.94-20,124.90-5,517.26

Finding the Fourth Proportional to 13,416.94, 20,124.90 and 5,517.26

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Solution

The fourth proportional to 13,416.94, 20,124.90 and 5,517.26 is: 8,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.94 : 20,124.90 = 5,517.26 : x
  2. Step 2: Convert to fraction form
    13,416.94/20,124.90 = 5,517.26/x
  3. Step 3: Cross multiply
    13,416.94x = 20,124.90 × 5,517.26
  4. Step 4: Simplify right side
    13,416.94x = 111,034,262.59
  5. Step 5: Solve for x
    x = 111,034,262.59/13,416.94
  6. Step 6: Final answer
    x = 8,275.68

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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.