Home / 25,596.42-38,400.60-8,065.80

Finding the Fourth Proportional to 25,596.42, 38,400.60 and 8,065.80

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Solution

The fourth proportional to 25,596.42, 38,400.60 and 8,065.80 is: 12,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,596.42 : 38,400.60 = 8,065.80 : x
  2. Step 2: Convert to fraction form
    25,596.42/38,400.60 = 8,065.80/x
  3. Step 3: Cross multiply
    25,596.42x = 38,400.60 × 8,065.80
  4. Step 4: Simplify right side
    25,596.42x = 309,731,559.48
  5. Step 5: Solve for x
    x = 309,731,559.48/25,596.42
  6. Step 6: Final answer
    x = 12,100.58

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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.