Home / 17,163.10-25,749.85-7,172.70

Finding the Fourth Proportional to 17,163.10, 25,749.85 and 7,172.70

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Solution

The fourth proportional to 17,163.10, 25,749.85 and 7,172.70 is: 10,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.10 : 25,749.85 = 7,172.70 : x
  2. Step 2: Convert to fraction form
    17,163.10/25,749.85 = 7,172.70/x
  3. Step 3: Cross multiply
    17,163.10x = 25,749.85 × 7,172.70
  4. Step 4: Simplify right side
    17,163.10x = 184,695,820.35
  5. Step 5: Solve for x
    x = 184,695,820.35/17,163.10
  6. Step 6: Final answer
    x = 10,761.22

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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.