Home / 12,770.41-19,196.61-11,857.33

Finding the Fourth Proportional to 12,770.41, 19,196.61 and 11,857.33

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Solution

The fourth proportional to 12,770.41, 19,196.61 and 11,857.33 is: 17,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.41 : 19,196.61 = 11,857.33 : x
  2. Step 2: Convert to fraction form
    12,770.41/19,196.61 = 11,857.33/x
  3. Step 3: Cross multiply
    12,770.41x = 19,196.61 × 11,857.33
  4. Step 4: Simplify right side
    12,770.41x = 227,620,539.65
  5. Step 5: Solve for x
    x = 227,620,539.65/12,770.41
  6. Step 6: Final answer
    x = 17,824.06

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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.