Home / 16,770.24-23,142.80-9,113.44

Finding the Fourth Proportional to 16,770.24, 23,142.80 and 9,113.44

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Solution

The fourth proportional to 16,770.24, 23,142.80 and 9,113.44 is: 12,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.24 : 23,142.80 = 9,113.44 : x
  2. Step 2: Convert to fraction form
    16,770.24/23,142.80 = 9,113.44/x
  3. Step 3: Cross multiply
    16,770.24x = 23,142.80 × 9,113.44
  4. Step 4: Simplify right side
    16,770.24x = 210,910,519.23
  5. Step 5: Solve for x
    x = 210,910,519.23/16,770.24
  6. Step 6: Final answer
    x = 12,576.48

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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.