Home / 13,754.44-20,633.03-4,990.04

Finding the Fourth Proportional to 13,754.44, 20,633.03 and 4,990.04

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Solution

The fourth proportional to 13,754.44, 20,633.03 and 4,990.04 is: 7,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.44 : 20,633.03 = 4,990.04 : x
  2. Step 2: Convert to fraction form
    13,754.44/20,633.03 = 4,990.04/x
  3. Step 3: Cross multiply
    13,754.44x = 20,633.03 × 4,990.04
  4. Step 4: Simplify right side
    13,754.44x = 102,959,612.99
  5. Step 5: Solve for x
    x = 102,959,612.99/13,754.44
  6. Step 6: Final answer
    x = 7,485.55

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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.