Home / 19,313.97-28,975.48-5,986.27

Finding the Fourth Proportional to 19,313.97, 28,975.48 and 5,986.27

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Solution

The fourth proportional to 19,313.97, 28,975.48 and 5,986.27 is: 8,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.97 : 28,975.48 = 5,986.27 : x
  2. Step 2: Convert to fraction form
    19,313.97/28,975.48 = 5,986.27/x
  3. Step 3: Cross multiply
    19,313.97x = 28,975.48 × 5,986.27
  4. Step 4: Simplify right side
    19,313.97x = 173,455,084.75
  5. Step 5: Solve for x
    x = 173,455,084.75/19,313.97
  6. Step 6: Final answer
    x = 8,980.81

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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.