Home / 14,063.98-19,408.31-7,690.60

Finding the Fourth Proportional to 14,063.98, 19,408.31 and 7,690.60

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Solution

The fourth proportional to 14,063.98, 19,408.31 and 7,690.60 is: 10,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.98 : 19,408.31 = 7,690.60 : x
  2. Step 2: Convert to fraction form
    14,063.98/19,408.31 = 7,690.60/x
  3. Step 3: Cross multiply
    14,063.98x = 19,408.31 × 7,690.60
  4. Step 4: Simplify right side
    14,063.98x = 149,261,413.39
  5. Step 5: Solve for x
    x = 149,261,413.39/14,063.98
  6. Step 6: Final answer
    x = 10,613.03

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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.