Home / 12,327.06-18,493.70-3,561.92

Finding the Fourth Proportional to 12,327.06, 18,493.70 and 3,561.92

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Solution

The fourth proportional to 12,327.06, 18,493.70 and 3,561.92 is: 5,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.06 : 18,493.70 = 3,561.92 : x
  2. Step 2: Convert to fraction form
    12,327.06/18,493.70 = 3,561.92/x
  3. Step 3: Cross multiply
    12,327.06x = 18,493.70 × 3,561.92
  4. Step 4: Simplify right side
    12,327.06x = 65,872,969.63
  5. Step 5: Solve for x
    x = 65,872,969.63/12,327.06
  6. Step 6: Final answer
    x = 5,343.77

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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.