Home / 13,413.98-20,123.84-4,053.26

Finding the Fourth Proportional to 13,413.98, 20,123.84 and 4,053.26

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Solution

The fourth proportional to 13,413.98, 20,123.84 and 4,053.26 is: 6,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.98 : 20,123.84 = 4,053.26 : x
  2. Step 2: Convert to fraction form
    13,413.98/20,123.84 = 4,053.26/x
  3. Step 3: Cross multiply
    13,413.98x = 20,123.84 × 4,053.26
  4. Step 4: Simplify right side
    13,413.98x = 81,567,065.23
  5. Step 5: Solve for x
    x = 81,567,065.23/13,413.98
  6. Step 6: Final answer
    x = 6,080.75

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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.