Home / 22,078.89-30,469.23-12,007.53

Finding the Fourth Proportional to 22,078.89, 30,469.23 and 12,007.53

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Solution

The fourth proportional to 22,078.89, 30,469.23 and 12,007.53 is: 16,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.89 : 30,469.23 = 12,007.53 : x
  2. Step 2: Convert to fraction form
    22,078.89/30,469.23 = 12,007.53/x
  3. Step 3: Cross multiply
    22,078.89x = 30,469.23 × 12,007.53
  4. Step 4: Simplify right side
    22,078.89x = 365,860,193.30
  5. Step 5: Solve for x
    x = 365,860,193.30/22,078.89
  6. Step 6: Final answer
    x = 16,570.59

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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.