Home / 18,372.96-27,555.39-5,225.04

Finding the Fourth Proportional to 18,372.96, 27,555.39 and 5,225.04

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Solution

The fourth proportional to 18,372.96, 27,555.39 and 5,225.04 is: 7,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.96 : 27,555.39 = 5,225.04 : x
  2. Step 2: Convert to fraction form
    18,372.96/27,555.39 = 5,225.04/x
  3. Step 3: Cross multiply
    18,372.96x = 27,555.39 × 5,225.04
  4. Step 4: Simplify right side
    18,372.96x = 143,978,014.97
  5. Step 5: Solve for x
    x = 143,978,014.97/18,372.96
  6. Step 6: Final answer
    x = 7,836.41

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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.