Home / 12,324.45-18,475.58-4,425.12

Finding the Fourth Proportional to 12,324.45, 18,475.58 and 4,425.12

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Solution

The fourth proportional to 12,324.45, 18,475.58 and 4,425.12 is: 6,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.45 : 18,475.58 = 4,425.12 : x
  2. Step 2: Convert to fraction form
    12,324.45/18,475.58 = 4,425.12/x
  3. Step 3: Cross multiply
    12,324.45x = 18,475.58 × 4,425.12
  4. Step 4: Simplify right side
    12,324.45x = 81,756,636.44
  5. Step 5: Solve for x
    x = 81,756,636.44/12,324.45
  6. Step 6: Final answer
    x = 6,633.69

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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.