Home / 18,816.48-28,105.53-17,736.87

Finding the Fourth Proportional to 18,816.48, 28,105.53 and 17,736.87

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Solution

The fourth proportional to 18,816.48, 28,105.53 and 17,736.87 is: 26,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.48 : 28,105.53 = 17,736.87 : x
  2. Step 2: Convert to fraction form
    18,816.48/28,105.53 = 17,736.87/x
  3. Step 3: Cross multiply
    18,816.48x = 28,105.53 × 17,736.87
  4. Step 4: Simplify right side
    18,816.48x = 498,504,131.89
  5. Step 5: Solve for x
    x = 498,504,131.89/18,816.48
  6. Step 6: Final answer
    x = 26,492.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.