Home / 13,910.35-19,197.66-7,942.92

Finding the Fourth Proportional to 13,910.35, 19,197.66 and 7,942.92

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Solution

The fourth proportional to 13,910.35, 19,197.66 and 7,942.92 is: 10,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.35 : 19,197.66 = 7,942.92 : x
  2. Step 2: Convert to fraction form
    13,910.35/19,197.66 = 7,942.92/x
  3. Step 3: Cross multiply
    13,910.35x = 19,197.66 × 7,942.92
  4. Step 4: Simplify right side
    13,910.35x = 152,485,477.57
  5. Step 5: Solve for x
    x = 152,485,477.57/13,910.35
  6. Step 6: Final answer
    x = 10,962.02

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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.