Home / 22,206.78-33,293.70-13,439.52

Finding the Fourth Proportional to 22,206.78, 33,293.70 and 13,439.52

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Solution

The fourth proportional to 22,206.78, 33,293.70 and 13,439.52 is: 20,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.78 : 33,293.70 = 13,439.52 : x
  2. Step 2: Convert to fraction form
    22,206.78/33,293.70 = 13,439.52/x
  3. Step 3: Cross multiply
    22,206.78x = 33,293.70 × 13,439.52
  4. Step 4: Simplify right side
    22,206.78x = 447,451,347.02
  5. Step 5: Solve for x
    x = 447,451,347.02/22,206.78
  6. Step 6: Final answer
    x = 20,149.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.