Home / 22,079.04-30,469.05-12,647.64

Finding the Fourth Proportional to 22,079.04, 30,469.05 and 12,647.64

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Solution

The fourth proportional to 22,079.04, 30,469.05 and 12,647.64 is: 17,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.04 : 30,469.05 = 12,647.64 : x
  2. Step 2: Convert to fraction form
    22,079.04/30,469.05 = 12,647.64/x
  3. Step 3: Cross multiply
    22,079.04x = 30,469.05 × 12,647.64
  4. Step 4: Simplify right side
    22,079.04x = 385,361,575.54
  5. Step 5: Solve for x
    x = 385,361,575.54/22,079.04
  6. Step 6: Final answer
    x = 17,453.73

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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.