Home / 39,708.54-59,559.10-13,413.51

Finding the Fourth Proportional to 39,708.54, 59,559.10 and 13,413.51

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Solution

The fourth proportional to 39,708.54, 59,559.10 and 13,413.51 is: 20,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.54 : 59,559.10 = 13,413.51 : x
  2. Step 2: Convert to fraction form
    39,708.54/59,559.10 = 13,413.51/x
  3. Step 3: Cross multiply
    39,708.54x = 59,559.10 × 13,413.51
  4. Step 4: Simplify right side
    39,708.54x = 798,896,583.44
  5. Step 5: Solve for x
    x = 798,896,583.44/39,708.54
  6. Step 6: Final answer
    x = 20,119.01

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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.