Home / 13,951.24-19,252.69-7,982.75

Finding the Fourth Proportional to 13,951.24, 19,252.69 and 7,982.75

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Solution

The fourth proportional to 13,951.24, 19,252.69 and 7,982.75 is: 11,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.24 : 19,252.69 = 7,982.75 : x
  2. Step 2: Convert to fraction form
    13,951.24/19,252.69 = 7,982.75/x
  3. Step 3: Cross multiply
    13,951.24x = 19,252.69 × 7,982.75
  4. Step 4: Simplify right side
    13,951.24x = 153,689,439.27
  5. Step 5: Solve for x
    x = 153,689,439.27/13,951.24
  6. Step 6: Final answer
    x = 11,016.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.