Home / 18,824.74-25,995.42-12,122.14

Finding the Fourth Proportional to 18,824.74, 25,995.42 and 12,122.14

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Solution

The fourth proportional to 18,824.74, 25,995.42 and 12,122.14 is: 16,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.74 : 25,995.42 = 12,122.14 : x
  2. Step 2: Convert to fraction form
    18,824.74/25,995.42 = 12,122.14/x
  3. Step 3: Cross multiply
    18,824.74x = 25,995.42 × 12,122.14
  4. Step 4: Simplify right side
    18,824.74x = 315,120,120.60
  5. Step 5: Solve for x
    x = 315,120,120.60/18,824.74
  6. Step 6: Final answer
    x = 16,739.68

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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.