Home / 17,693.36-26,540.40-4,545.80

Finding the Fourth Proportional to 17,693.36, 26,540.40 and 4,545.80

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Solution

The fourth proportional to 17,693.36, 26,540.40 and 4,545.80 is: 6,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.36 : 26,540.40 = 4,545.80 : x
  2. Step 2: Convert to fraction form
    17,693.36/26,540.40 = 4,545.80/x
  3. Step 3: Cross multiply
    17,693.36x = 26,540.40 × 4,545.80
  4. Step 4: Simplify right side
    17,693.36x = 120,647,350.32
  5. Step 5: Solve for x
    x = 120,647,350.32/17,693.36
  6. Step 6: Final answer
    x = 6,818.79

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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.