Home / 25,885.26-38,790.98-20,596.47

Finding the Fourth Proportional to 25,885.26, 38,790.98 and 20,596.47

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Solution

The fourth proportional to 25,885.26, 38,790.98 and 20,596.47 is: 30,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.26 : 38,790.98 = 20,596.47 : x
  2. Step 2: Convert to fraction form
    25,885.26/38,790.98 = 20,596.47/x
  3. Step 3: Cross multiply
    25,885.26x = 38,790.98 × 20,596.47
  4. Step 4: Simplify right side
    25,885.26x = 798,957,152.86
  5. Step 5: Solve for x
    x = 798,957,152.86/25,885.26
  6. Step 6: Final answer
    x = 30,865.33

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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.