Home / 13,517.29-20,283.21-5,625.25

Finding the Fourth Proportional to 13,517.29, 20,283.21 and 5,625.25

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Solution

The fourth proportional to 13,517.29, 20,283.21 and 5,625.25 is: 8,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.29 : 20,283.21 = 5,625.25 : x
  2. Step 2: Convert to fraction form
    13,517.29/20,283.21 = 5,625.25/x
  3. Step 3: Cross multiply
    13,517.29x = 20,283.21 × 5,625.25
  4. Step 4: Simplify right side
    13,517.29x = 114,098,127.05
  5. Step 5: Solve for x
    x = 114,098,127.05/13,517.29
  6. Step 6: Final answer
    x = 8,440.90

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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.