Home / 18,722.03-25,839.66-11,168.84

Finding the Fourth Proportional to 18,722.03, 25,839.66 and 11,168.84

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Solution

The fourth proportional to 18,722.03, 25,839.66 and 11,168.84 is: 15,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.03 : 25,839.66 = 11,168.84 : x
  2. Step 2: Convert to fraction form
    18,722.03/25,839.66 = 11,168.84/x
  3. Step 3: Cross multiply
    18,722.03x = 25,839.66 × 11,168.84
  4. Step 4: Simplify right side
    18,722.03x = 288,598,899.00
  5. Step 5: Solve for x
    x = 288,598,899.00/18,722.03
  6. Step 6: Final answer
    x = 15,414.94

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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.