Home / 22,277.45-30,742.60-12,205.30

Finding the Fourth Proportional to 22,277.45, 30,742.60 and 12,205.30

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Solution

The fourth proportional to 22,277.45, 30,742.60 and 12,205.30 is: 16,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.45 : 30,742.60 = 12,205.30 : x
  2. Step 2: Convert to fraction form
    22,277.45/30,742.60 = 12,205.30/x
  3. Step 3: Cross multiply
    22,277.45x = 30,742.60 × 12,205.30
  4. Step 4: Simplify right side
    22,277.45x = 375,222,655.78
  5. Step 5: Solve for x
    x = 375,222,655.78/22,277.45
  6. Step 6: Final answer
    x = 16,843.16

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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.