Home / 16,690.86-25,036.90-11,413.31

Finding the Fourth Proportional to 16,690.86, 25,036.90 and 11,413.31

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Solution

The fourth proportional to 16,690.86, 25,036.90 and 11,413.31 is: 17,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.86 : 25,036.90 = 11,413.31 : x
  2. Step 2: Convert to fraction form
    16,690.86/25,036.90 = 11,413.31/x
  3. Step 3: Cross multiply
    16,690.86x = 25,036.90 × 11,413.31
  4. Step 4: Simplify right side
    16,690.86x = 285,753,747.42
  5. Step 5: Solve for x
    x = 285,753,747.42/16,690.86
  6. Step 6: Final answer
    x = 17,120.37

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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.