Home / 12,346.55-18,524.15-3,581.99

Finding the Fourth Proportional to 12,346.55, 18,524.15 and 3,581.99

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Solution

The fourth proportional to 12,346.55, 18,524.15 and 3,581.99 is: 5,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.55 : 18,524.15 = 3,581.99 : x
  2. Step 2: Convert to fraction form
    12,346.55/18,524.15 = 3,581.99/x
  3. Step 3: Cross multiply
    12,346.55x = 18,524.15 × 3,581.99
  4. Step 4: Simplify right side
    12,346.55x = 66,353,302.15
  5. Step 5: Solve for x
    x = 66,353,302.15/12,346.55
  6. Step 6: Final answer
    x = 5,374.24

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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.