Home / 14,065.06-19,413.96-8,100.92

Finding the Fourth Proportional to 14,065.06, 19,413.96 and 8,100.92

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Solution

The fourth proportional to 14,065.06, 19,413.96 and 8,100.92 is: 11,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.06 : 19,413.96 = 8,100.92 : x
  2. Step 2: Convert to fraction form
    14,065.06/19,413.96 = 8,100.92/x
  3. Step 3: Cross multiply
    14,065.06x = 19,413.96 × 8,100.92
  4. Step 4: Simplify right side
    14,065.06x = 157,270,839.77
  5. Step 5: Solve for x
    x = 157,270,839.77/14,065.06
  6. Step 6: Final answer
    x = 11,181.67

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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.