Home / 18,202.96-27,299.52-7,812.28

Finding the Fourth Proportional to 18,202.96, 27,299.52 and 7,812.28

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Solution

The fourth proportional to 18,202.96, 27,299.52 and 7,812.28 is: 11,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.96 : 27,299.52 = 7,812.28 : x
  2. Step 2: Convert to fraction form
    18,202.96/27,299.52 = 7,812.28/x
  3. Step 3: Cross multiply
    18,202.96x = 27,299.52 × 7,812.28
  4. Step 4: Simplify right side
    18,202.96x = 213,271,494.11
  5. Step 5: Solve for x
    x = 213,271,494.11/18,202.96
  6. Step 6: Final answer
    x = 11,716.31

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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.