Home / 13,893.73-19,153.41-9,907.93

Finding the Fourth Proportional to 13,893.73, 19,153.41 and 9,907.93

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Solution

The fourth proportional to 13,893.73, 19,153.41 and 9,907.93 is: 13,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.73 : 19,153.41 = 9,907.93 : x
  2. Step 2: Convert to fraction form
    13,893.73/19,153.41 = 9,907.93/x
  3. Step 3: Cross multiply
    13,893.73x = 19,153.41 × 9,907.93
  4. Step 4: Simplify right side
    13,893.73x = 189,770,645.54
  5. Step 5: Solve for x
    x = 189,770,645.54/13,893.73
  6. Step 6: Final answer
    x = 13,658.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.