Home / 18,188.48-27,273.54-7,086.62

Finding the Fourth Proportional to 18,188.48, 27,273.54 and 7,086.62

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Solution

The fourth proportional to 18,188.48, 27,273.54 and 7,086.62 is: 10,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.48 : 27,273.54 = 7,086.62 : x
  2. Step 2: Convert to fraction form
    18,188.48/27,273.54 = 7,086.62/x
  3. Step 3: Cross multiply
    18,188.48x = 27,273.54 × 7,086.62
  4. Step 4: Simplify right side
    18,188.48x = 193,277,214.03
  5. Step 5: Solve for x
    x = 193,277,214.03/18,188.48
  6. Step 6: Final answer
    x = 10,626.35

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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.