Home / 25,413.12-35,058.24-15,986.88

Finding the Fourth Proportional to 25,413.12, 35,058.24 and 15,986.88

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Solution

The fourth proportional to 25,413.12, 35,058.24 and 15,986.88 is: 22,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.12 : 35,058.24 = 15,986.88 : x
  2. Step 2: Convert to fraction form
    25,413.12/35,058.24 = 15,986.88/x
  3. Step 3: Cross multiply
    25,413.12x = 35,058.24 × 15,986.88
  4. Step 4: Simplify right side
    25,413.12x = 560,471,875.89
  5. Step 5: Solve for x
    x = 560,471,875.89/25,413.12
  6. Step 6: Final answer
    x = 22,054.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.