Home / 18,361.24-25,338.30-9,977.56

Finding the Fourth Proportional to 18,361.24, 25,338.30 and 9,977.56

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Solution

The fourth proportional to 18,361.24, 25,338.30 and 9,977.56 is: 13,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.24 : 25,338.30 = 9,977.56 : x
  2. Step 2: Convert to fraction form
    18,361.24/25,338.30 = 9,977.56/x
  3. Step 3: Cross multiply
    18,361.24x = 25,338.30 × 9,977.56
  4. Step 4: Simplify right side
    18,361.24x = 252,814,408.55
  5. Step 5: Solve for x
    x = 252,814,408.55/18,361.24
  6. Step 6: Final answer
    x = 13,768.92

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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.