Home / 23,121.99-34,690.77-7,329.60

Finding the Fourth Proportional to 23,121.99, 34,690.77 and 7,329.60

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Solution

The fourth proportional to 23,121.99, 34,690.77 and 7,329.60 is: 10,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.99 : 34,690.77 = 7,329.60 : x
  2. Step 2: Convert to fraction form
    23,121.99/34,690.77 = 7,329.60/x
  3. Step 3: Cross multiply
    23,121.99x = 34,690.77 × 7,329.60
  4. Step 4: Simplify right side
    23,121.99x = 254,269,467.79
  5. Step 5: Solve for x
    x = 254,269,467.79/23,121.99
  6. Step 6: Final answer
    x = 10,996.87

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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.