Home / 14,413.90-21,619.05-3,884.74

Finding the Fourth Proportional to 14,413.90, 21,619.05 and 3,884.74

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Solution

The fourth proportional to 14,413.90, 21,619.05 and 3,884.74 is: 5,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.90 : 21,619.05 = 3,884.74 : x
  2. Step 2: Convert to fraction form
    14,413.90/21,619.05 = 3,884.74/x
  3. Step 3: Cross multiply
    14,413.90x = 21,619.05 × 3,884.74
  4. Step 4: Simplify right side
    14,413.90x = 83,984,343.96
  5. Step 5: Solve for x
    x = 83,984,343.96/14,413.90
  6. Step 6: Final answer
    x = 5,826.62

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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.