Home / 22,902.01-31,604.60-12,830.54

Finding the Fourth Proportional to 22,902.01, 31,604.60 and 12,830.54

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Solution

The fourth proportional to 22,902.01, 31,604.60 and 12,830.54 is: 17,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.01 : 31,604.60 = 12,830.54 : x
  2. Step 2: Convert to fraction form
    22,902.01/31,604.60 = 12,830.54/x
  3. Step 3: Cross multiply
    22,902.01x = 31,604.60 × 12,830.54
  4. Step 4: Simplify right side
    22,902.01x = 405,503,958.54
  5. Step 5: Solve for x
    x = 405,503,958.54/22,902.01
  6. Step 6: Final answer
    x = 17,706.04

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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.