Home / 17,858.43-26,785.49-4,711.80

Finding the Fourth Proportional to 17,858.43, 26,785.49 and 4,711.80

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Solution

The fourth proportional to 17,858.43, 26,785.49 and 4,711.80 is: 7,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.43 : 26,785.49 = 4,711.80 : x
  2. Step 2: Convert to fraction form
    17,858.43/26,785.49 = 4,711.80/x
  3. Step 3: Cross multiply
    17,858.43x = 26,785.49 × 4,711.80
  4. Step 4: Simplify right side
    17,858.43x = 126,207,848.22
  5. Step 5: Solve for x
    x = 126,207,848.22/17,858.43
  6. Step 6: Final answer
    x = 7,067.13

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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.