Home / 19,516.38-26,930.58-11,018.97

Finding the Fourth Proportional to 19,516.38, 26,930.58 and 11,018.97

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Solution

The fourth proportional to 19,516.38, 26,930.58 and 11,018.97 is: 15,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.38 : 26,930.58 = 11,018.97 : x
  2. Step 2: Convert to fraction form
    19,516.38/26,930.58 = 11,018.97/x
  3. Step 3: Cross multiply
    19,516.38x = 26,930.58 × 11,018.97
  4. Step 4: Simplify right side
    19,516.38x = 296,747,211.78
  5. Step 5: Solve for x
    x = 296,747,211.78/19,516.38
  6. Step 6: Final answer
    x = 15,205.04

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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.