Home / 18,716.22-25,828.00-10,218.51

Finding the Fourth Proportional to 18,716.22, 25,828.00 and 10,218.51

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Solution

The fourth proportional to 18,716.22, 25,828.00 and 10,218.51 is: 14,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.22 : 25,828.00 = 10,218.51 : x
  2. Step 2: Convert to fraction form
    18,716.22/25,828.00 = 10,218.51/x
  3. Step 3: Cross multiply
    18,716.22x = 25,828.00 × 10,218.51
  4. Step 4: Simplify right side
    18,716.22x = 263,923,650.73
  5. Step 5: Solve for x
    x = 263,923,650.73/18,716.22
  6. Step 6: Final answer
    x = 14,101.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.