Home / 13,939.25-19,234.89-8,273.03

Finding the Fourth Proportional to 13,939.25, 19,234.89 and 8,273.03

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Solution

The fourth proportional to 13,939.25, 19,234.89 and 8,273.03 is: 11,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.25 : 19,234.89 = 8,273.03 : x
  2. Step 2: Convert to fraction form
    13,939.25/19,234.89 = 8,273.03/x
  3. Step 3: Cross multiply
    13,939.25x = 19,234.89 × 8,273.03
  4. Step 4: Simplify right side
    13,939.25x = 159,130,725.84
  5. Step 5: Solve for x
    x = 159,130,725.84/13,939.25
  6. Step 6: Final answer
    x = 11,416.02

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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.