Home / 20,366.64-30,535.38-8,673.48

Finding the Fourth Proportional to 20,366.64, 30,535.38 and 8,673.48

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Solution

The fourth proportional to 20,366.64, 30,535.38 and 8,673.48 is: 13,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.64 : 30,535.38 = 8,673.48 : x
  2. Step 2: Convert to fraction form
    20,366.64/30,535.38 = 8,673.48/x
  3. Step 3: Cross multiply
    20,366.64x = 30,535.38 × 8,673.48
  4. Step 4: Simplify right side
    20,366.64x = 264,848,007.72
  5. Step 5: Solve for x
    x = 264,848,007.72/20,366.64
  6. Step 6: Final answer
    x = 13,004.01

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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.