Home / 13,016.14-19,511.22-5,107.84

Finding the Fourth Proportional to 13,016.14, 19,511.22 and 5,107.84

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Solution

The fourth proportional to 13,016.14, 19,511.22 and 5,107.84 is: 7,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.14 : 19,511.22 = 5,107.84 : x
  2. Step 2: Convert to fraction form
    13,016.14/19,511.22 = 5,107.84/x
  3. Step 3: Cross multiply
    13,016.14x = 19,511.22 × 5,107.84
  4. Step 4: Simplify right side
    13,016.14x = 99,660,189.96
  5. Step 5: Solve for x
    x = 99,660,189.96/13,016.14
  6. Step 6: Final answer
    x = 7,656.66

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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.