Home / 20,544.46-28,325.64-17,146.37

Finding the Fourth Proportional to 20,544.46, 28,325.64 and 17,146.37

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Solution

The fourth proportional to 20,544.46, 28,325.64 and 17,146.37 is: 23,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.46 : 28,325.64 = 17,146.37 : x
  2. Step 2: Convert to fraction form
    20,544.46/28,325.64 = 17,146.37/x
  3. Step 3: Cross multiply
    20,544.46x = 28,325.64 × 17,146.37
  4. Step 4: Simplify right side
    20,544.46x = 485,682,039.04
  5. Step 5: Solve for x
    x = 485,682,039.04/20,544.46
  6. Step 6: Final answer
    x = 23,640.54

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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.