Home / 26,016.70-39,021.09-8,486.50

Finding the Fourth Proportional to 26,016.70, 39,021.09 and 8,486.50

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Solution

The fourth proportional to 26,016.70, 39,021.09 and 8,486.50 is: 12,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,016.70 : 39,021.09 = 8,486.50 : x
  2. Step 2: Convert to fraction form
    26,016.70/39,021.09 = 8,486.50/x
  3. Step 3: Cross multiply
    26,016.70x = 39,021.09 × 8,486.50
  4. Step 4: Simplify right side
    26,016.70x = 331,152,480.29
  5. Step 5: Solve for x
    x = 331,152,480.29/26,016.70
  6. Step 6: Final answer
    x = 12,728.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.