Home / 18,101.12-24,981.76-11,028.56

Finding the Fourth Proportional to 18,101.12, 24,981.76 and 11,028.56

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Solution

The fourth proportional to 18,101.12, 24,981.76 and 11,028.56 is: 15,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.12 : 24,981.76 = 11,028.56 : x
  2. Step 2: Convert to fraction form
    18,101.12/24,981.76 = 11,028.56/x
  3. Step 3: Cross multiply
    18,101.12x = 24,981.76 × 11,028.56
  4. Step 4: Simplify right side
    18,101.12x = 275,512,839.07
  5. Step 5: Solve for x
    x = 275,512,839.07/18,101.12
  6. Step 6: Final answer
    x = 15,220.76

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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.