Home / 18,014.18-27,021.27-4,866.89

Finding the Fourth Proportional to 18,014.18, 27,021.27 and 4,866.89

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Solution

The fourth proportional to 18,014.18, 27,021.27 and 4,866.89 is: 7,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.18 : 27,021.27 = 4,866.89 : x
  2. Step 2: Convert to fraction form
    18,014.18/27,021.27 = 4,866.89/x
  3. Step 3: Cross multiply
    18,014.18x = 27,021.27 × 4,866.89
  4. Step 4: Simplify right side
    18,014.18x = 131,509,413.64
  5. Step 5: Solve for x
    x = 131,509,413.64/18,014.18
  6. Step 6: Final answer
    x = 7,300.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.