Home / 25,198.93-34,770.85-15,125.23

Finding the Fourth Proportional to 25,198.93, 34,770.85 and 15,125.23

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Solution

The fourth proportional to 25,198.93, 34,770.85 and 15,125.23 is: 20,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198.93 : 34,770.85 = 15,125.23 : x
  2. Step 2: Convert to fraction form
    25,198.93/34,770.85 = 15,125.23/x
  3. Step 3: Cross multiply
    25,198.93x = 34,770.85 × 15,125.23
  4. Step 4: Simplify right side
    25,198.93x = 525,917,103.55
  5. Step 5: Solve for x
    x = 525,917,103.55/25,198.93
  6. Step 6: Final answer
    x = 20,870.61

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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.