Home / 17,711.91-26,554.10-11,458.71

Finding the Fourth Proportional to 17,711.91, 26,554.10 and 11,458.71

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Solution

The fourth proportional to 17,711.91, 26,554.10 and 11,458.71 is: 17,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.91 : 26,554.10 = 11,458.71 : x
  2. Step 2: Convert to fraction form
    17,711.91/26,554.10 = 11,458.71/x
  3. Step 3: Cross multiply
    17,711.91x = 26,554.10 × 11,458.71
  4. Step 4: Simplify right side
    17,711.91x = 304,275,673.92
  5. Step 5: Solve for x
    x = 304,275,673.92/17,711.91
  6. Step 6: Final answer
    x = 17,179.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.