Home / 21,413.60-32,136.18-10,168.98

Finding the Fourth Proportional to 21,413.60, 32,136.18 and 10,168.98

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Solution

The fourth proportional to 21,413.60, 32,136.18 and 10,168.98 is: 15,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.60 : 32,136.18 = 10,168.98 : x
  2. Step 2: Convert to fraction form
    21,413.60/32,136.18 = 10,168.98/x
  3. Step 3: Cross multiply
    21,413.60x = 32,136.18 × 10,168.98
  4. Step 4: Simplify right side
    21,413.60x = 326,792,171.70
  5. Step 5: Solve for x
    x = 326,792,171.70/21,413.60
  6. Step 6: Final answer
    x = 15,260.96

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1.5x scale

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.