Home / 17,413.71-26,124.32-5,405.61

Finding the Fourth Proportional to 17,413.71, 26,124.32 and 5,405.61

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Solution

The fourth proportional to 17,413.71, 26,124.32 and 5,405.61 is: 8,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.71 : 26,124.32 = 5,405.61 : x
  2. Step 2: Convert to fraction form
    17,413.71/26,124.32 = 5,405.61/x
  3. Step 3: Cross multiply
    17,413.71x = 26,124.32 × 5,405.61
  4. Step 4: Simplify right side
    17,413.71x = 141,217,858.41
  5. Step 5: Solve for x
    x = 141,217,858.41/17,413.71
  6. Step 6: Final answer
    x = 8,109.58

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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.