Home / 13,350.64-20,016.24-5,553.04

Finding the Fourth Proportional to 13,350.64, 20,016.24 and 5,553.04

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Solution

The fourth proportional to 13,350.64, 20,016.24 and 5,553.04 is: 8,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.64 : 20,016.24 = 5,553.04 : x
  2. Step 2: Convert to fraction form
    13,350.64/20,016.24 = 5,553.04/x
  3. Step 3: Cross multiply
    13,350.64x = 20,016.24 × 5,553.04
  4. Step 4: Simplify right side
    13,350.64x = 111,150,981.37
  5. Step 5: Solve for x
    x = 111,150,981.37/13,350.64
  6. Step 6: Final answer
    x = 8,325.52

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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.