Home / 14,556.98-20,089.17-8,270.42

Finding the Fourth Proportional to 14,556.98, 20,089.17 and 8,270.42

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Solution

The fourth proportional to 14,556.98, 20,089.17 and 8,270.42 is: 11,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.98 : 20,089.17 = 8,270.42 : x
  2. Step 2: Convert to fraction form
    14,556.98/20,089.17 = 8,270.42/x
  3. Step 3: Cross multiply
    14,556.98x = 20,089.17 × 8,270.42
  4. Step 4: Simplify right side
    14,556.98x = 166,145,873.35
  5. Step 5: Solve for x
    x = 166,145,873.35/14,556.98
  6. Step 6: Final answer
    x = 11,413.49

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Double scale
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Similar ratio
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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.