Home / 16,945.67-23,379.42-10,228.75

Finding the Fourth Proportional to 16,945.67, 23,379.42 and 10,228.75

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Solution

The fourth proportional to 16,945.67, 23,379.42 and 10,228.75 is: 14,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.67 : 23,379.42 = 10,228.75 : x
  2. Step 2: Convert to fraction form
    16,945.67/23,379.42 = 10,228.75/x
  3. Step 3: Cross multiply
    16,945.67x = 23,379.42 × 10,228.75
  4. Step 4: Simplify right side
    16,945.67x = 239,142,125.43
  5. Step 5: Solve for x
    x = 239,142,125.43/16,945.67
  6. Step 6: Final answer
    x = 14,112.29

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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.