Home / 25,672.55-35,413.34-15,456.48

Finding the Fourth Proportional to 25,672.55, 35,413.34 and 15,456.48

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Solution

The fourth proportional to 25,672.55, 35,413.34 and 15,456.48 is: 21,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.55 : 35,413.34 = 15,456.48 : x
  2. Step 2: Convert to fraction form
    25,672.55/35,413.34 = 15,456.48/x
  3. Step 3: Cross multiply
    25,672.55x = 35,413.34 × 15,456.48
  4. Step 4: Simplify right side
    25,672.55x = 547,365,581.44
  5. Step 5: Solve for x
    x = 547,365,581.44/25,672.55
  6. Step 6: Final answer
    x = 21,321.04

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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.