Home / 22,038.75-30,413.48-12,102.75

Finding the Fourth Proportional to 22,038.75, 30,413.48 and 12,102.75

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Solution

The fourth proportional to 22,038.75, 30,413.48 and 12,102.75 is: 16,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.75 : 30,413.48 = 12,102.75 : x
  2. Step 2: Convert to fraction form
    22,038.75/30,413.48 = 12,102.75/x
  3. Step 3: Cross multiply
    22,038.75x = 30,413.48 × 12,102.75
  4. Step 4: Simplify right side
    22,038.75x = 368,086,684.56
  5. Step 5: Solve for x
    x = 368,086,684.56/22,038.75
  6. Step 6: Final answer
    x = 16,701.80

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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.