Home / 29,289.92-40,413.12-16,543.36

Finding the Fourth Proportional to 29,289.92, 40,413.12 and 16,543.36

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Solution

The fourth proportional to 29,289.92, 40,413.12 and 16,543.36 is: 22,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.92 : 40,413.12 = 16,543.36 : x
  2. Step 2: Convert to fraction form
    29,289.92/40,413.12 = 16,543.36/x
  3. Step 3: Cross multiply
    29,289.92x = 40,413.12 × 16,543.36
  4. Step 4: Simplify right side
    29,289.92x = 668,568,792.88
  5. Step 5: Solve for x
    x = 668,568,792.88/29,289.92
  6. Step 6: Final answer
    x = 22,825.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.