Home / 16,967.45-23,415.10-9,413.90

Finding the Fourth Proportional to 16,967.45, 23,415.10 and 9,413.90

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Solution

The fourth proportional to 16,967.45, 23,415.10 and 9,413.90 is: 12,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.45 : 23,415.10 = 9,413.90 : x
  2. Step 2: Convert to fraction form
    16,967.45/23,415.10 = 9,413.90/x
  3. Step 3: Cross multiply
    16,967.45x = 23,415.10 × 9,413.90
  4. Step 4: Simplify right side
    16,967.45x = 220,427,409.89
  5. Step 5: Solve for x
    x = 220,427,409.89/16,967.45
  6. Step 6: Final answer
    x = 12,991.19

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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.