Home / 22,485.75-31,029.52-12,413.97

Finding the Fourth Proportional to 22,485.75, 31,029.52 and 12,413.97

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Solution

The fourth proportional to 22,485.75, 31,029.52 and 12,413.97 is: 17,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.75 : 31,029.52 = 12,413.97 : x
  2. Step 2: Convert to fraction form
    22,485.75/31,029.52 = 12,413.97/x
  3. Step 3: Cross multiply
    22,485.75x = 31,029.52 × 12,413.97
  4. Step 4: Simplify right side
    22,485.75x = 385,199,530.39
  5. Step 5: Solve for x
    x = 385,199,530.39/22,485.75
  6. Step 6: Final answer
    x = 17,130.83

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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.