Home / 13,186.56-19,779.84-11,226.24

Finding the Fourth Proportional to 13,186.56, 19,779.84 and 11,226.24

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Solution

The fourth proportional to 13,186.56, 19,779.84 and 11,226.24 is: 16,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.56 : 19,779.84 = 11,226.24 : x
  2. Step 2: Convert to fraction form
    13,186.56/19,779.84 = 11,226.24/x
  3. Step 3: Cross multiply
    13,186.56x = 19,779.84 × 11,226.24
  4. Step 4: Simplify right side
    13,186.56x = 222,053,231.00
  5. Step 5: Solve for x
    x = 222,053,231.00/13,186.56
  6. Step 6: Final answer
    x = 16,839.36

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Similar ratio
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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.