Home / 18,634.11-25,716.11-10,677.66

Finding the Fourth Proportional to 18,634.11, 25,716.11 and 10,677.66

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Solution

The fourth proportional to 18,634.11, 25,716.11 and 10,677.66 is: 14,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.11 : 25,716.11 = 10,677.66 : x
  2. Step 2: Convert to fraction form
    18,634.11/25,716.11 = 10,677.66/x
  3. Step 3: Cross multiply
    18,634.11x = 25,716.11 × 10,677.66
  4. Step 4: Simplify right side
    18,634.11x = 274,587,879.10
  5. Step 5: Solve for x
    x = 274,587,879.10/18,634.11
  6. Step 6: Final answer
    x = 14,735.77

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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.