Home / 17,745.75-26,618.64-5,433.75

Finding the Fourth Proportional to 17,745.75, 26,618.64 and 5,433.75

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Solution

The fourth proportional to 17,745.75, 26,618.64 and 5,433.75 is: 8,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.75 : 26,618.64 = 5,433.75 : x
  2. Step 2: Convert to fraction form
    17,745.75/26,618.64 = 5,433.75/x
  3. Step 3: Cross multiply
    17,745.75x = 26,618.64 × 5,433.75
  4. Step 4: Simplify right side
    17,745.75x = 144,639,035.10
  5. Step 5: Solve for x
    x = 144,639,035.10/17,745.75
  6. Step 6: Final answer
    x = 8,150.63

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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.