Home / 27,413.76-41,140.32-20,506.56

Finding the Fourth Proportional to 27,413.76, 41,140.32 and 20,506.56

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Solution

The fourth proportional to 27,413.76, 41,140.32 and 20,506.56 is: 30,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,413.76 : 41,140.32 = 20,506.56 : x
  2. Step 2: Convert to fraction form
    27,413.76/41,140.32 = 20,506.56/x
  3. Step 3: Cross multiply
    27,413.76x = 41,140.32 × 20,506.56
  4. Step 4: Simplify right side
    27,413.76x = 843,646,440.50
  5. Step 5: Solve for x
    x = 843,646,440.50/27,413.76
  6. Step 6: Final answer
    x = 30,774.56

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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.