Home / 18,668.67-25,766.55-10,716.36

Finding the Fourth Proportional to 18,668.67, 25,766.55 and 10,716.36

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Solution

The fourth proportional to 18,668.67, 25,766.55 and 10,716.36 is: 14,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.67 : 25,766.55 = 10,716.36 : x
  2. Step 2: Convert to fraction form
    18,668.67/25,766.55 = 10,716.36/x
  3. Step 3: Cross multiply
    18,668.67x = 25,766.55 × 10,716.36
  4. Step 4: Simplify right side
    18,668.67x = 276,123,625.76
  5. Step 5: Solve for x
    x = 276,123,625.76/18,668.67
  6. Step 6: Final answer
    x = 14,790.75

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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.