Home / 20,467.64-30,701.46-6,617.72

Finding the Fourth Proportional to 20,467.64, 30,701.46 and 6,617.72

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Solution

The fourth proportional to 20,467.64, 30,701.46 and 6,617.72 is: 9,926.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.64 : 30,701.46 = 6,617.72 : x
  2. Step 2: Convert to fraction form
    20,467.64/30,701.46 = 6,617.72/x
  3. Step 3: Cross multiply
    20,467.64x = 30,701.46 × 6,617.72
  4. Step 4: Simplify right side
    20,467.64x = 203,173,665.87
  5. Step 5: Solve for x
    x = 203,173,665.87/20,467.64
  6. Step 6: Final answer
    x = 9,926.58

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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.