Home / 22,485.27-31,029.66-12,413.70

Finding the Fourth Proportional to 22,485.27, 31,029.66 and 12,413.70

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Solution

The fourth proportional to 22,485.27, 31,029.66 and 12,413.70 is: 17,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.27 : 31,029.66 = 12,413.70 : x
  2. Step 2: Convert to fraction form
    22,485.27/31,029.66 = 12,413.70/x
  3. Step 3: Cross multiply
    22,485.27x = 31,029.66 × 12,413.70
  4. Step 4: Simplify right side
    22,485.27x = 385,192,890.34
  5. Step 5: Solve for x
    x = 385,192,890.34/22,485.27
  6. Step 6: Final answer
    x = 17,130.90

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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.