Home / 18,451.38-27,675.54-7,355.19

Finding the Fourth Proportional to 18,451.38, 27,675.54 and 7,355.19

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Solution

The fourth proportional to 18,451.38, 27,675.54 and 7,355.19 is: 11,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.38 : 27,675.54 = 7,355.19 : x
  2. Step 2: Convert to fraction form
    18,451.38/27,675.54 = 7,355.19/x
  3. Step 3: Cross multiply
    18,451.38x = 27,675.54 × 7,355.19
  4. Step 4: Simplify right side
    18,451.38x = 203,558,855.05
  5. Step 5: Solve for x
    x = 203,558,855.05/18,451.38
  6. Step 6: Final answer
    x = 11,032.18

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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.