Home / 26,141.20-39,211.93-6,419.76

Finding the Fourth Proportional to 26,141.20, 39,211.93 and 6,419.76

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Solution

The fourth proportional to 26,141.20, 39,211.93 and 6,419.76 is: 9,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.20 : 39,211.93 = 6,419.76 : x
  2. Step 2: Convert to fraction form
    26,141.20/39,211.93 = 6,419.76/x
  3. Step 3: Cross multiply
    26,141.20x = 39,211.93 × 6,419.76
  4. Step 4: Simplify right side
    26,141.20x = 251,731,163.69
  5. Step 5: Solve for x
    x = 251,731,163.69/26,141.20
  6. Step 6: Final answer
    x = 9,629.67

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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.