Home / 34,967.21-52,413.46-13,878.05

Finding the Fourth Proportional to 34,967.21, 52,413.46 and 13,878.05

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Solution

The fourth proportional to 34,967.21, 52,413.46 and 13,878.05 is: 20,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,967.21 : 52,413.46 = 13,878.05 : x
  2. Step 2: Convert to fraction form
    34,967.21/52,413.46 = 13,878.05/x
  3. Step 3: Cross multiply
    34,967.21x = 52,413.46 × 13,878.05
  4. Step 4: Simplify right side
    34,967.21x = 727,396,321.79
  5. Step 5: Solve for x
    x = 727,396,321.79/34,967.21
  6. Step 6: Final answer
    x = 20,802.24

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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.