Home / 18,669.06-25,768.38-10,716.57

Finding the Fourth Proportional to 18,669.06, 25,768.38 and 10,716.57

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Solution

The fourth proportional to 18,669.06, 25,768.38 and 10,716.57 is: 14,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.06 : 25,768.38 = 10,716.57 : x
  2. Step 2: Convert to fraction form
    18,669.06/25,768.38 = 10,716.57/x
  3. Step 3: Cross multiply
    18,669.06x = 25,768.38 × 10,716.57
  4. Step 4: Simplify right side
    18,669.06x = 276,148,648.06
  5. Step 5: Solve for x
    x = 276,148,648.06/18,669.06
  6. Step 6: Final answer
    x = 14,791.78

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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.