Home / 18,728.84-25,845.96-10,230.80

Finding the Fourth Proportional to 18,728.84, 25,845.96 and 10,230.80

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Solution

The fourth proportional to 18,728.84, 25,845.96 and 10,230.80 is: 14,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.84 : 25,845.96 = 10,230.80 : x
  2. Step 2: Convert to fraction form
    18,728.84/25,845.96 = 10,230.80/x
  3. Step 3: Cross multiply
    18,728.84x = 25,845.96 × 10,230.80
  4. Step 4: Simplify right side
    18,728.84x = 264,424,847.57
  5. Step 5: Solve for x
    x = 264,424,847.57/18,728.84
  6. Step 6: Final answer
    x = 14,118.59

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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.