Home / 18,912.61-26,099.18-10,414.55

Finding the Fourth Proportional to 18,912.61, 26,099.18 and 10,414.55

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Solution

The fourth proportional to 18,912.61, 26,099.18 and 10,414.55 is: 14,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.61 : 26,099.18 = 10,414.55 : x
  2. Step 2: Convert to fraction form
    18,912.61/26,099.18 = 10,414.55/x
  3. Step 3: Cross multiply
    18,912.61x = 26,099.18 × 10,414.55
  4. Step 4: Simplify right side
    18,912.61x = 271,811,163.00
  5. Step 5: Solve for x
    x = 271,811,163.00/18,912.61
  6. Step 6: Final answer
    x = 14,371.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.