Home / 22,131.07-33,196.49-12,765.02

Finding the Fourth Proportional to 22,131.07, 33,196.49 and 12,765.02

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Solution

The fourth proportional to 22,131.07, 33,196.49 and 12,765.02 is: 19,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.07 : 33,196.49 = 12,765.02 : x
  2. Step 2: Convert to fraction form
    22,131.07/33,196.49 = 12,765.02/x
  3. Step 3: Cross multiply
    22,131.07x = 33,196.49 × 12,765.02
  4. Step 4: Simplify right side
    22,131.07x = 423,753,628.97
  5. Step 5: Solve for x
    x = 423,753,628.97/22,131.07
  6. Step 6: Final answer
    x = 19,147.46

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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.