Home / 28,902.22-43,351.04-9,180.95

Finding the Fourth Proportional to 28,902.22, 43,351.04 and 9,180.95

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Solution

The fourth proportional to 28,902.22, 43,351.04 and 9,180.95 is: 13,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.22 : 43,351.04 = 9,180.95 : x
  2. Step 2: Convert to fraction form
    28,902.22/43,351.04 = 9,180.95/x
  3. Step 3: Cross multiply
    28,902.22x = 43,351.04 × 9,180.95
  4. Step 4: Simplify right side
    28,902.22x = 398,003,513.93
  5. Step 5: Solve for x
    x = 398,003,513.93/28,902.22
  6. Step 6: Final answer
    x = 13,770.69

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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.