Home / 12,424.85-18,633.30-4,103.31

Finding the Fourth Proportional to 12,424.85, 18,633.30 and 4,103.31

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Solution

The fourth proportional to 12,424.85, 18,633.30 and 4,103.31 is: 6,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.85 : 18,633.30 = 4,103.31 : x
  2. Step 2: Convert to fraction form
    12,424.85/18,633.30 = 4,103.31/x
  3. Step 3: Cross multiply
    12,424.85x = 18,633.30 × 4,103.31
  4. Step 4: Simplify right side
    12,424.85x = 76,458,206.22
  5. Step 5: Solve for x
    x = 76,458,206.22/12,424.85
  6. Step 6: Final answer
    x = 6,153.65

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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.