Home / 17,020.67-23,485.11-9,945.73

Finding the Fourth Proportional to 17,020.67, 23,485.11 and 9,945.73

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Solution

The fourth proportional to 17,020.67, 23,485.11 and 9,945.73 is: 13,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.67 : 23,485.11 = 9,945.73 : x
  2. Step 2: Convert to fraction form
    17,020.67/23,485.11 = 9,945.73/x
  3. Step 3: Cross multiply
    17,020.67x = 23,485.11 × 9,945.73
  4. Step 4: Simplify right side
    17,020.67x = 233,576,563.08
  5. Step 5: Solve for x
    x = 233,576,563.08/17,020.67
  6. Step 6: Final answer
    x = 13,723.11

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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.