Home / 13,868.03-20,775.73-8,233.81

Finding the Fourth Proportional to 13,868.03, 20,775.73 and 8,233.81

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Solution

The fourth proportional to 13,868.03, 20,775.73 and 8,233.81 is: 12,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.03 : 20,775.73 = 8,233.81 : x
  2. Step 2: Convert to fraction form
    13,868.03/20,775.73 = 8,233.81/x
  3. Step 3: Cross multiply
    13,868.03x = 20,775.73 × 8,233.81
  4. Step 4: Simplify right side
    13,868.03x = 171,063,413.43
  5. Step 5: Solve for x
    x = 171,063,413.43/13,868.03
  6. Step 6: Final answer
    x = 12,335.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.