Home / 13,814.49-19,076.20-10,271.55

Finding the Fourth Proportional to 13,814.49, 19,076.20 and 10,271.55

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Solution

The fourth proportional to 13,814.49, 19,076.20 and 10,271.55 is: 14,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.49 : 19,076.20 = 10,271.55 : x
  2. Step 2: Convert to fraction form
    13,814.49/19,076.20 = 10,271.55/x
  3. Step 3: Cross multiply
    13,814.49x = 19,076.20 × 10,271.55
  4. Step 4: Simplify right side
    13,814.49x = 195,942,142.11
  5. Step 5: Solve for x
    x = 195,942,142.11/13,814.49
  6. Step 6: Final answer
    x = 14,183.81

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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.