Home / 18,416.38-27,634.08-10,100.26

Finding the Fourth Proportional to 18,416.38, 27,634.08 and 10,100.26

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Solution

The fourth proportional to 18,416.38, 27,634.08 and 10,100.26 is: 15,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.38 : 27,634.08 = 10,100.26 : x
  2. Step 2: Convert to fraction form
    18,416.38/27,634.08 = 10,100.26/x
  3. Step 3: Cross multiply
    18,416.38x = 27,634.08 × 10,100.26
  4. Step 4: Simplify right side
    18,416.38x = 279,111,392.86
  5. Step 5: Solve for x
    x = 279,111,392.86/18,416.38
  6. Step 6: Final answer
    x = 15,155.61

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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.