Home / 18,667.67-27,935.69-11,650.96

Finding the Fourth Proportional to 18,667.67, 27,935.69 and 11,650.96

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Solution

The fourth proportional to 18,667.67, 27,935.69 and 11,650.96 is: 17,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.67 : 27,935.69 = 11,650.96 : x
  2. Step 2: Convert to fraction form
    18,667.67/27,935.69 = 11,650.96/x
  3. Step 3: Cross multiply
    18,667.67x = 27,935.69 × 11,650.96
  4. Step 4: Simplify right side
    18,667.67x = 325,477,760.30
  5. Step 5: Solve for x
    x = 325,477,760.30/18,667.67
  6. Step 6: Final answer
    x = 17,435.38

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1.5x scale

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.