Home / 13,844.68-20,754.67-5,077.56

Finding the Fourth Proportional to 13,844.68, 20,754.67 and 5,077.56

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Solution

The fourth proportional to 13,844.68, 20,754.67 and 5,077.56 is: 7,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.68 : 20,754.67 = 5,077.56 : x
  2. Step 2: Convert to fraction form
    13,844.68/20,754.67 = 5,077.56/x
  3. Step 3: Cross multiply
    13,844.68x = 20,754.67 × 5,077.56
  4. Step 4: Simplify right side
    13,844.68x = 105,383,082.21
  5. Step 5: Solve for x
    x = 105,383,082.21/13,844.68
  6. Step 6: Final answer
    x = 7,611.81

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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.