Home / 16,967.50-23,415.18-9,413.60

Finding the Fourth Proportional to 16,967.50, 23,415.18 and 9,413.60

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Solution

The fourth proportional to 16,967.50, 23,415.18 and 9,413.60 is: 12,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.50 : 23,415.18 = 9,413.60 : x
  2. Step 2: Convert to fraction form
    16,967.50/23,415.18 = 9,413.60/x
  3. Step 3: Cross multiply
    16,967.50x = 23,415.18 × 9,413.60
  4. Step 4: Simplify right side
    16,967.50x = 220,421,138.45
  5. Step 5: Solve for x
    x = 220,421,138.45/16,967.50
  6. Step 6: Final answer
    x = 12,990.78

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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.