Home / 18,365.28-27,556.32-7,838.16

Finding the Fourth Proportional to 18,365.28, 27,556.32 and 7,838.16

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Solution

The fourth proportional to 18,365.28, 27,556.32 and 7,838.16 is: 11,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.28 : 27,556.32 = 7,838.16 : x
  2. Step 2: Convert to fraction form
    18,365.28/27,556.32 = 7,838.16/x
  3. Step 3: Cross multiply
    18,365.28x = 27,556.32 × 7,838.16
  4. Step 4: Simplify right side
    18,365.28x = 215,990,845.17
  5. Step 5: Solve for x
    x = 215,990,845.17/18,365.28
  6. Step 6: Final answer
    x = 11,760.83

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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.