Home / 19,079.96-26,343.33-11,912.67

Finding the Fourth Proportional to 19,079.96, 26,343.33 and 11,912.67

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Solution

The fourth proportional to 19,079.96, 26,343.33 and 11,912.67 is: 16,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.96 : 26,343.33 = 11,912.67 : x
  2. Step 2: Convert to fraction form
    19,079.96/26,343.33 = 11,912.67/x
  3. Step 3: Cross multiply
    19,079.96x = 26,343.33 × 11,912.67
  4. Step 4: Simplify right side
    19,079.96x = 313,819,352.32
  5. Step 5: Solve for x
    x = 313,819,352.32/19,079.96
  6. Step 6: Final answer
    x = 16,447.59

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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.