Home / 13,951.16-19,230.44-10,961.85

Finding the Fourth Proportional to 13,951.16, 19,230.44 and 10,961.85

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Solution

The fourth proportional to 13,951.16, 19,230.44 and 10,961.85 is: 15,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.16 : 19,230.44 = 10,961.85 : x
  2. Step 2: Convert to fraction form
    13,951.16/19,230.44 = 10,961.85/x
  3. Step 3: Cross multiply
    13,951.16x = 19,230.44 × 10,961.85
  4. Step 4: Simplify right side
    13,951.16x = 210,801,143.90
  5. Step 5: Solve for x
    x = 210,801,143.90/13,951.16
  6. Step 6: Final answer
    x = 15,109.94

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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.