Home / 13,016.16-19,511.87-11,822.85

Finding the Fourth Proportional to 13,016.16, 19,511.87 and 11,822.85

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Solution

The fourth proportional to 13,016.16, 19,511.87 and 11,822.85 is: 17,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.16 : 19,511.87 = 11,822.85 : x
  2. Step 2: Convert to fraction form
    13,016.16/19,511.87 = 11,822.85/x
  3. Step 3: Cross multiply
    13,016.16x = 19,511.87 × 11,822.85
  4. Step 4: Simplify right side
    13,016.16x = 230,685,853.12
  5. Step 5: Solve for x
    x = 230,685,853.12/13,016.16
  6. Step 6: Final answer
    x = 17,723.03

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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.