Home / 18,486.50-27,717.62-6,634.33

Finding the Fourth Proportional to 18,486.50, 27,717.62 and 6,634.33

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Solution

The fourth proportional to 18,486.50, 27,717.62 and 6,634.33 is: 9,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.50 : 27,717.62 = 6,634.33 : x
  2. Step 2: Convert to fraction form
    18,486.50/27,717.62 = 6,634.33/x
  3. Step 3: Cross multiply
    18,486.50x = 27,717.62 × 6,634.33
  4. Step 4: Simplify right side
    18,486.50x = 183,887,785.19
  5. Step 5: Solve for x
    x = 183,887,785.19/18,486.50
  6. Step 6: Final answer
    x = 9,947.14

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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.