Home / 13,364.56-20,039.38-5,472.60

Finding the Fourth Proportional to 13,364.56, 20,039.38 and 5,472.60

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Solution

The fourth proportional to 13,364.56, 20,039.38 and 5,472.60 is: 8,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.56 : 20,039.38 = 5,472.60 : x
  2. Step 2: Convert to fraction form
    13,364.56/20,039.38 = 5,472.60/x
  3. Step 3: Cross multiply
    13,364.56x = 20,039.38 × 5,472.60
  4. Step 4: Simplify right side
    13,364.56x = 109,667,510.99
  5. Step 5: Solve for x
    x = 109,667,510.99/13,364.56
  6. Step 6: Final answer
    x = 8,205.85

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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.