Home / 18,696.42-28,036.26-5,544.18

Finding the Fourth Proportional to 18,696.42, 28,036.26 and 5,544.18

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Solution

The fourth proportional to 18,696.42, 28,036.26 and 5,544.18 is: 8,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.42 : 28,036.26 = 5,544.18 : x
  2. Step 2: Convert to fraction form
    18,696.42/28,036.26 = 5,544.18/x
  3. Step 3: Cross multiply
    18,696.42x = 28,036.26 × 5,544.18
  4. Step 4: Simplify right side
    18,696.42x = 155,438,071.97
  5. Step 5: Solve for x
    x = 155,438,071.97/18,696.42
  6. Step 6: Final answer
    x = 8,313.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.