Home / 46,413.63-69,620.82-13,134.78

Finding the Fourth Proportional to 46,413.63, 69,620.82 and 13,134.78

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Solution

The fourth proportional to 46,413.63, 69,620.82 and 13,134.78 is: 19,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,413.63 : 69,620.82 = 13,134.78 : x
  2. Step 2: Convert to fraction form
    46,413.63/69,620.82 = 13,134.78/x
  3. Step 3: Cross multiply
    46,413.63x = 69,620.82 × 13,134.78
  4. Step 4: Simplify right side
    46,413.63x = 914,454,154.12
  5. Step 5: Solve for x
    x = 914,454,154.12/46,413.63
  6. Step 6: Final answer
    x = 19,702.28

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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.