Home / 25,270.84-34,872.24-13,940.35

Finding the Fourth Proportional to 25,270.84, 34,872.24 and 13,940.35

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Solution

The fourth proportional to 25,270.84, 34,872.24 and 13,940.35 is: 19,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.84 : 34,872.24 = 13,940.35 : x
  2. Step 2: Convert to fraction form
    25,270.84/34,872.24 = 13,940.35/x
  3. Step 3: Cross multiply
    25,270.84x = 34,872.24 × 13,940.35
  4. Step 4: Simplify right side
    25,270.84x = 486,131,230.88
  5. Step 5: Solve for x
    x = 486,131,230.88/25,270.84
  6. Step 6: Final answer
    x = 19,236.84

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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.