Home / 12,193.88-18,261.66-11,581.52

Finding the Fourth Proportional to 12,193.88, 18,261.66 and 11,581.52

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Solution

The fourth proportional to 12,193.88, 18,261.66 and 11,581.52 is: 17,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.88 : 18,261.66 = 11,581.52 : x
  2. Step 2: Convert to fraction form
    12,193.88/18,261.66 = 11,581.52/x
  3. Step 3: Cross multiply
    12,193.88x = 18,261.66 × 11,581.52
  4. Step 4: Simplify right side
    12,193.88x = 211,497,780.52
  5. Step 5: Solve for x
    x = 211,497,780.52/12,193.88
  6. Step 6: Final answer
    x = 17,344.58

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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.