Home / 14,151.38-19,526.82-7,863.78

Finding the Fourth Proportional to 14,151.38, 19,526.82 and 7,863.78

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Solution

The fourth proportional to 14,151.38, 19,526.82 and 7,863.78 is: 10,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.38 : 19,526.82 = 7,863.78 : x
  2. Step 2: Convert to fraction form
    14,151.38/19,526.82 = 7,863.78/x
  3. Step 3: Cross multiply
    14,151.38x = 19,526.82 × 7,863.78
  4. Step 4: Simplify right side
    14,151.38x = 153,554,616.58
  5. Step 5: Solve for x
    x = 153,554,616.58/14,151.38
  6. Step 6: Final answer
    x = 10,850.86

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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.