Home / 28,361.15-42,543.68-9,633.54

Finding the Fourth Proportional to 28,361.15, 42,543.68 and 9,633.54

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Solution

The fourth proportional to 28,361.15, 42,543.68 and 9,633.54 is: 14,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.15 : 42,543.68 = 9,633.54 : x
  2. Step 2: Convert to fraction form
    28,361.15/42,543.68 = 9,633.54/x
  3. Step 3: Cross multiply
    28,361.15x = 42,543.68 × 9,633.54
  4. Step 4: Simplify right side
    28,361.15x = 409,846,194.86
  5. Step 5: Solve for x
    x = 409,846,194.86/28,361.15
  6. Step 6: Final answer
    x = 14,450.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.