Home / 20,674.92-31,012.72-5,884.22

Finding the Fourth Proportional to 20,674.92, 31,012.72 and 5,884.22

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Solution

The fourth proportional to 20,674.92, 31,012.72 and 5,884.22 is: 8,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.92 : 31,012.72 = 5,884.22 : x
  2. Step 2: Convert to fraction form
    20,674.92/31,012.72 = 5,884.22/x
  3. Step 3: Cross multiply
    20,674.92x = 31,012.72 × 5,884.22
  4. Step 4: Simplify right side
    20,674.92x = 182,485,667.28
  5. Step 5: Solve for x
    x = 182,485,667.28/20,674.92
  6. Step 6: Final answer
    x = 8,826.43

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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.