Home / 18,949.41-26,151.39-10,885.59

Finding the Fourth Proportional to 18,949.41, 26,151.39 and 10,885.59

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Solution

The fourth proportional to 18,949.41, 26,151.39 and 10,885.59 is: 15,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.41 : 26,151.39 = 10,885.59 : x
  2. Step 2: Convert to fraction form
    18,949.41/26,151.39 = 10,885.59/x
  3. Step 3: Cross multiply
    18,949.41x = 26,151.39 × 10,885.59
  4. Step 4: Simplify right side
    18,949.41x = 284,673,287.73
  5. Step 5: Solve for x
    x = 284,673,287.73/18,949.41
  6. Step 6: Final answer
    x = 15,022.80

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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.