Home / 12,443.44-18,650.32-8,674.84

Finding the Fourth Proportional to 12,443.44, 18,650.32 and 8,674.84

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Solution

The fourth proportional to 12,443.44, 18,650.32 and 8,674.84 is: 13,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.44 : 18,650.32 = 8,674.84 : x
  2. Step 2: Convert to fraction form
    12,443.44/18,650.32 = 8,674.84/x
  3. Step 3: Cross multiply
    12,443.44x = 18,650.32 × 8,674.84
  4. Step 4: Simplify right side
    12,443.44x = 161,788,541.95
  5. Step 5: Solve for x
    x = 161,788,541.95/12,443.44
  6. Step 6: Final answer
    x = 13,001.91

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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.