Home / 14,792.30-20,413.46-8,077.96

Finding the Fourth Proportional to 14,792.30, 20,413.46 and 8,077.96

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Solution

The fourth proportional to 14,792.30, 20,413.46 and 8,077.96 is: 11,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.30 : 20,413.46 = 8,077.96 : x
  2. Step 2: Convert to fraction form
    14,792.30/20,413.46 = 8,077.96/x
  3. Step 3: Cross multiply
    14,792.30x = 20,413.46 × 8,077.96
  4. Step 4: Simplify right side
    14,792.30x = 164,899,113.34
  5. Step 5: Solve for x
    x = 164,899,113.34/14,792.30
  6. Step 6: Final answer
    x = 11,147.63

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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.