Home / 14,912.32-20,576.77-8,537.90

Finding the Fourth Proportional to 14,912.32, 20,576.77 and 8,537.90

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Solution

The fourth proportional to 14,912.32, 20,576.77 and 8,537.90 is: 11,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.32 : 20,576.77 = 8,537.90 : x
  2. Step 2: Convert to fraction form
    14,912.32/20,576.77 = 8,537.90/x
  3. Step 3: Cross multiply
    14,912.32x = 20,576.77 × 8,537.90
  4. Step 4: Simplify right side
    14,912.32x = 175,682,361.89
  5. Step 5: Solve for x
    x = 175,682,361.89/14,912.32
  6. Step 6: Final answer
    x = 11,781.03

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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.