Home / 25,396.43-37,940.21-16,438.79

Finding the Fourth Proportional to 25,396.43, 37,940.21 and 16,438.79

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Solution

The fourth proportional to 25,396.43, 37,940.21 and 16,438.79 is: 24,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.43 : 37,940.21 = 16,438.79 : x
  2. Step 2: Convert to fraction form
    25,396.43/37,940.21 = 16,438.79/x
  3. Step 3: Cross multiply
    25,396.43x = 37,940.21 × 16,438.79
  4. Step 4: Simplify right side
    25,396.43x = 623,691,144.75
  5. Step 5: Solve for x
    x = 623,691,144.75/25,396.43
  6. Step 6: Final answer
    x = 24,558.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.