Home / 13,942.78-19,232.59-8,273.80

Finding the Fourth Proportional to 13,942.78, 19,232.59 and 8,273.80

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Solution

The fourth proportional to 13,942.78, 19,232.59 and 8,273.80 is: 11,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.78 : 19,232.59 = 8,273.80 : x
  2. Step 2: Convert to fraction form
    13,942.78/19,232.59 = 8,273.80/x
  3. Step 3: Cross multiply
    13,942.78x = 19,232.59 × 8,273.80
  4. Step 4: Simplify right side
    13,942.78x = 159,126,603.14
  5. Step 5: Solve for x
    x = 159,126,603.14/13,942.78
  6. Step 6: Final answer
    x = 11,412.83

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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.