Home / 22,578.20-31,157.69-13,014.60

Finding the Fourth Proportional to 22,578.20, 31,157.69 and 13,014.60

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Solution

The fourth proportional to 22,578.20, 31,157.69 and 13,014.60 is: 17,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.20 : 31,157.69 = 13,014.60 : x
  2. Step 2: Convert to fraction form
    22,578.20/31,157.69 = 13,014.60/x
  3. Step 3: Cross multiply
    22,578.20x = 31,157.69 × 13,014.60
  4. Step 4: Simplify right side
    22,578.20x = 405,504,872.27
  5. Step 5: Solve for x
    x = 405,504,872.27/22,578.20
  6. Step 6: Final answer
    x = 17,960.02

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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.