Home / 13,772.06-20,659.46-4,409.73

Finding the Fourth Proportional to 13,772.06, 20,659.46 and 4,409.73

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Solution

The fourth proportional to 13,772.06, 20,659.46 and 4,409.73 is: 6,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.06 : 20,659.46 = 4,409.73 : x
  2. Step 2: Convert to fraction form
    13,772.06/20,659.46 = 4,409.73/x
  3. Step 3: Cross multiply
    13,772.06x = 20,659.46 × 4,409.73
  4. Step 4: Simplify right side
    13,772.06x = 91,102,515.20
  5. Step 5: Solve for x
    x = 91,102,515.20/13,772.06
  6. Step 6: Final answer
    x = 6,615.02

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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.