Home / 18,942.95-28,413.40-5,795.32

Finding the Fourth Proportional to 18,942.95, 28,413.40 and 5,795.32

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Solution

The fourth proportional to 18,942.95, 28,413.40 and 5,795.32 is: 8,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.95 : 28,413.40 = 5,795.32 : x
  2. Step 2: Convert to fraction form
    18,942.95/28,413.40 = 5,795.32/x
  3. Step 3: Cross multiply
    18,942.95x = 28,413.40 × 5,795.32
  4. Step 4: Simplify right side
    18,942.95x = 164,664,745.29
  5. Step 5: Solve for x
    x = 164,664,745.29/18,942.95
  6. Step 6: Final answer
    x = 8,692.67

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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.