Home / 19,277.78-28,916.87-6,795.48

Finding the Fourth Proportional to 19,277.78, 28,916.87 and 6,795.48

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Solution

The fourth proportional to 19,277.78, 28,916.87 and 6,795.48 is: 10,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.78 : 28,916.87 = 6,795.48 : x
  2. Step 2: Convert to fraction form
    19,277.78/28,916.87 = 6,795.48/x
  3. Step 3: Cross multiply
    19,277.78x = 28,916.87 × 6,795.48
  4. Step 4: Simplify right side
    19,277.78x = 196,503,977.77
  5. Step 5: Solve for x
    x = 196,503,977.77/19,277.78
  6. Step 6: Final answer
    x = 10,193.29

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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.