Home / 17,830.71-26,745.62-10,345.43

Finding the Fourth Proportional to 17,830.71, 26,745.62 and 10,345.43

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Solution

The fourth proportional to 17,830.71, 26,745.62 and 10,345.43 is: 15,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,830.71 : 26,745.62 = 10,345.43 : x
  2. Step 2: Convert to fraction form
    17,830.71/26,745.62 = 10,345.43/x
  3. Step 3: Cross multiply
    17,830.71x = 26,745.62 × 10,345.43
  4. Step 4: Simplify right side
    17,830.71x = 276,694,939.52
  5. Step 5: Solve for x
    x = 276,694,939.52/17,830.71
  6. Step 6: Final answer
    x = 15,517.89

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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.