Home / 13,760.82-20,622.60-6,255.06

Finding the Fourth Proportional to 13,760.82, 20,622.60 and 6,255.06

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Solution

The fourth proportional to 13,760.82, 20,622.60 and 6,255.06 is: 9,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.82 : 20,622.60 = 6,255.06 : x
  2. Step 2: Convert to fraction form
    13,760.82/20,622.60 = 6,255.06/x
  3. Step 3: Cross multiply
    13,760.82x = 20,622.60 × 6,255.06
  4. Step 4: Simplify right side
    13,760.82x = 128,995,600.36
  5. Step 5: Solve for x
    x = 128,995,600.36/13,760.82
  6. Step 6: Final answer
    x = 9,374.12

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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.