Home / 13,517.25-20,270.70-6,495.27

Finding the Fourth Proportional to 13,517.25, 20,270.70 and 6,495.27

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Solution

The fourth proportional to 13,517.25, 20,270.70 and 6,495.27 is: 9,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.25 : 20,270.70 = 6,495.27 : x
  2. Step 2: Convert to fraction form
    13,517.25/20,270.70 = 6,495.27/x
  3. Step 3: Cross multiply
    13,517.25x = 20,270.70 × 6,495.27
  4. Step 4: Simplify right side
    13,517.25x = 131,663,669.59
  5. Step 5: Solve for x
    x = 131,663,669.59/13,517.25
  6. Step 6: Final answer
    x = 9,740.42

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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.