Home / 13,906.46-19,192.74-7,936.76

Finding the Fourth Proportional to 13,906.46, 19,192.74 and 7,936.76

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Solution

The fourth proportional to 13,906.46, 19,192.74 and 7,936.76 is: 10,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.46 : 19,192.74 = 7,936.76 : x
  2. Step 2: Convert to fraction form
    13,906.46/19,192.74 = 7,936.76/x
  3. Step 3: Cross multiply
    13,906.46x = 19,192.74 × 7,936.76
  4. Step 4: Simplify right side
    13,906.46x = 152,328,171.12
  5. Step 5: Solve for x
    x = 152,328,171.12/13,906.46
  6. Step 6: Final answer
    x = 10,953.77

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Double scale
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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.