Home / 13,923.15-19,216.22-10,361.78

Finding the Fourth Proportional to 13,923.15, 19,216.22 and 10,361.78

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Solution

The fourth proportional to 13,923.15, 19,216.22 and 10,361.78 is: 14,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.15 : 19,216.22 = 10,361.78 : x
  2. Step 2: Convert to fraction form
    13,923.15/19,216.22 = 10,361.78/x
  3. Step 3: Cross multiply
    13,923.15x = 19,216.22 × 10,361.78
  4. Step 4: Simplify right side
    13,923.15x = 199,114,240.30
  5. Step 5: Solve for x
    x = 199,114,240.30/13,923.15
  6. Step 6: Final answer
    x = 14,300.95

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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.