Home / 20,628.57-30,944.49-5,837.58

Finding the Fourth Proportional to 20,628.57, 30,944.49 and 5,837.58

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Solution

The fourth proportional to 20,628.57, 30,944.49 and 5,837.58 is: 8,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.57 : 30,944.49 = 5,837.58 : x
  2. Step 2: Convert to fraction form
    20,628.57/30,944.49 = 5,837.58/x
  3. Step 3: Cross multiply
    20,628.57x = 30,944.49 × 5,837.58
  4. Step 4: Simplify right side
    20,628.57x = 180,640,935.93
  5. Step 5: Solve for x
    x = 180,640,935.93/20,628.57
  6. Step 6: Final answer
    x = 8,756.83

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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.