Home / 22,277.52-30,742.09-12,206.05

Finding the Fourth Proportional to 22,277.52, 30,742.09 and 12,206.05

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Solution

The fourth proportional to 22,277.52, 30,742.09 and 12,206.05 is: 16,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.52 : 30,742.09 = 12,206.05 : x
  2. Step 2: Convert to fraction form
    22,277.52/30,742.09 = 12,206.05/x
  3. Step 3: Cross multiply
    22,277.52x = 30,742.09 × 12,206.05
  4. Step 4: Simplify right side
    22,277.52x = 375,239,487.64
  5. Step 5: Solve for x
    x = 375,239,487.64/22,277.52
  6. Step 6: Final answer
    x = 16,843.86

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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.