Home / 20,846.96-28,772.52-12,464.24

Finding the Fourth Proportional to 20,846.96, 28,772.52 and 12,464.24

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Solution

The fourth proportional to 20,846.96, 28,772.52 and 12,464.24 is: 17,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.96 : 28,772.52 = 12,464.24 : x
  2. Step 2: Convert to fraction form
    20,846.96/28,772.52 = 12,464.24/x
  3. Step 3: Cross multiply
    20,846.96x = 28,772.52 × 12,464.24
  4. Step 4: Simplify right side
    20,846.96x = 358,627,594.68
  5. Step 5: Solve for x
    x = 358,627,594.68/20,846.96
  6. Step 6: Final answer
    x = 17,202.87

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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.