Home / 14,942.03-20,619.73-8,227.51

Finding the Fourth Proportional to 14,942.03, 20,619.73 and 8,227.51

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Solution

The fourth proportional to 14,942.03, 20,619.73 and 8,227.51 is: 11,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.03 : 20,619.73 = 8,227.51 : x
  2. Step 2: Convert to fraction form
    14,942.03/20,619.73 = 8,227.51/x
  3. Step 3: Cross multiply
    14,942.03x = 20,619.73 × 8,227.51
  4. Step 4: Simplify right side
    14,942.03x = 169,649,034.77
  5. Step 5: Solve for x
    x = 169,649,034.77/14,942.03
  6. Step 6: Final answer
    x = 11,353.81

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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.