Home / 16,932.05-25,413.66-8,618

Finding the Fourth Proportional to 16,932.05, 25,413.66 and 8,618

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Solution

The fourth proportional to 16,932.05, 25,413.66 and 8,618 is: 12,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,932.05 : 25,413.66 = 8,618 : x
  2. Step 2: Convert to fraction form
    16,932.05/25,413.66 = 8,618/x
  3. Step 3: Cross multiply
    16,932.05x = 25,413.66 × 8,618
  4. Step 4: Simplify right side
    16,932.05x = 219,014,878.79
  5. Step 5: Solve for x
    x = 219,014,878.79/16,932.05
  6. Step 6: Final answer
    x = 12,934.93

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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.