Home / 18,745.12-25,868.04-10,361.44

Finding the Fourth Proportional to 18,745.12, 25,868.04 and 10,361.44

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Solution

The fourth proportional to 18,745.12, 25,868.04 and 10,361.44 is: 14,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.12 : 25,868.04 = 10,361.44 : x
  2. Step 2: Convert to fraction form
    18,745.12/25,868.04 = 10,361.44/x
  3. Step 3: Cross multiply
    18,745.12x = 25,868.04 × 10,361.44
  4. Step 4: Simplify right side
    18,745.12x = 268,030,144.38
  5. Step 5: Solve for x
    x = 268,030,144.38/18,745.12
  6. Step 6: Final answer
    x = 14,298.66

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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.