Home / 18,795.78-28,196.93-6,317.02

Finding the Fourth Proportional to 18,795.78, 28,196.93 and 6,317.02

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Solution

The fourth proportional to 18,795.78, 28,196.93 and 6,317.02 is: 9,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.78 : 28,196.93 = 6,317.02 : x
  2. Step 2: Convert to fraction form
    18,795.78/28,196.93 = 6,317.02/x
  3. Step 3: Cross multiply
    18,795.78x = 28,196.93 × 6,317.02
  4. Step 4: Simplify right side
    18,795.78x = 178,120,570.75
  5. Step 5: Solve for x
    x = 178,120,570.75/18,795.78
  6. Step 6: Final answer
    x = 9,476.63

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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.