Home / 16,461.30-24,704.10-10,912.80

Finding the Fourth Proportional to 16,461.30, 24,704.10 and 10,912.80

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Solution

The fourth proportional to 16,461.30, 24,704.10 and 10,912.80 is: 16,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.30 : 24,704.10 = 10,912.80 : x
  2. Step 2: Convert to fraction form
    16,461.30/24,704.10 = 10,912.80/x
  3. Step 3: Cross multiply
    16,461.30x = 24,704.10 × 10,912.80
  4. Step 4: Simplify right side
    16,461.30x = 269,590,902.48
  5. Step 5: Solve for x
    x = 269,590,902.48/16,461.30
  6. Step 6: Final answer
    x = 16,377.25

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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.