Home / 17,650.17-26,485.79-7,125.30

Finding the Fourth Proportional to 17,650.17, 26,485.79 and 7,125.30

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Solution

The fourth proportional to 17,650.17, 26,485.79 and 7,125.30 is: 10,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,650.17 : 26,485.79 = 7,125.30 : x
  2. Step 2: Convert to fraction form
    17,650.17/26,485.79 = 7,125.30/x
  3. Step 3: Cross multiply
    17,650.17x = 26,485.79 × 7,125.30
  4. Step 4: Simplify right side
    17,650.17x = 188,719,163.86
  5. Step 5: Solve for x
    x = 188,719,163.86/17,650.17
  6. Step 6: Final answer
    x = 10,692.20

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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.