Home / 25,843.75-35,669.93-15,770.03

Finding the Fourth Proportional to 25,843.75, 35,669.93 and 15,770.03

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Solution

The fourth proportional to 25,843.75, 35,669.93 and 15,770.03 is: 21,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843.75 : 35,669.93 = 15,770.03 : x
  2. Step 2: Convert to fraction form
    25,843.75/35,669.93 = 15,770.03/x
  3. Step 3: Cross multiply
    25,843.75x = 35,669.93 × 15,770.03
  4. Step 4: Simplify right side
    25,843.75x = 562,515,866.20
  5. Step 5: Solve for x
    x = 562,515,866.20/25,843.75
  6. Step 6: Final answer
    x = 21,766.03

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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.