Home / 14,911.26-20,563.39-9,797.78

Finding the Fourth Proportional to 14,911.26, 20,563.39 and 9,797.78

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Solution

The fourth proportional to 14,911.26, 20,563.39 and 9,797.78 is: 13,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.26 : 20,563.39 = 9,797.78 : x
  2. Step 2: Convert to fraction form
    14,911.26/20,563.39 = 9,797.78/x
  3. Step 3: Cross multiply
    14,911.26x = 20,563.39 × 9,797.78
  4. Step 4: Simplify right side
    14,911.26x = 201,475,571.27
  5. Step 5: Solve for x
    x = 201,475,571.27/14,911.26
  6. Step 6: Final answer
    x = 13,511.64

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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.