Home / 17,163.77-23,667.27-14,905.72

Finding the Fourth Proportional to 17,163.77, 23,667.27 and 14,905.72

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Solution

The fourth proportional to 17,163.77, 23,667.27 and 14,905.72 is: 20,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.77 : 23,667.27 = 14,905.72 : x
  2. Step 2: Convert to fraction form
    17,163.77/23,667.27 = 14,905.72/x
  3. Step 3: Cross multiply
    17,163.77x = 23,667.27 × 14,905.72
  4. Step 4: Simplify right side
    17,163.77x = 352,777,581.45
  5. Step 5: Solve for x
    x = 352,777,581.45/17,163.77
  6. Step 6: Final answer
    x = 20,553.62

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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.