Home / 13,761.23-20,629.08-6,371.60

Finding the Fourth Proportional to 13,761.23, 20,629.08 and 6,371.60

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Solution

The fourth proportional to 13,761.23, 20,629.08 and 6,371.60 is: 9,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.23 : 20,629.08 = 6,371.60 : x
  2. Step 2: Convert to fraction form
    13,761.23/20,629.08 = 6,371.60/x
  3. Step 3: Cross multiply
    13,761.23x = 20,629.08 × 6,371.60
  4. Step 4: Simplify right side
    13,761.23x = 131,440,142.98
  5. Step 5: Solve for x
    x = 131,440,142.98/13,761.23
  6. Step 6: Final answer
    x = 9,551.49

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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.