Home / 19,669.51-29,488.85-13,413.97

Finding the Fourth Proportional to 19,669.51, 29,488.85 and 13,413.97

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Solution

The fourth proportional to 19,669.51, 29,488.85 and 13,413.97 is: 20,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.51 : 29,488.85 = 13,413.97 : x
  2. Step 2: Convert to fraction form
    19,669.51/29,488.85 = 13,413.97/x
  3. Step 3: Cross multiply
    19,669.51x = 29,488.85 × 13,413.97
  4. Step 4: Simplify right side
    19,669.51x = 395,562,482.16
  5. Step 5: Solve for x
    x = 395,562,482.16/19,669.51
  6. Step 6: Final answer
    x = 20,110.44

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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.