Home / 14,211.45-19,608.48-8,239.73

Finding the Fourth Proportional to 14,211.45, 19,608.48 and 8,239.73

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Solution

The fourth proportional to 14,211.45, 19,608.48 and 8,239.73 is: 11,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.45 : 19,608.48 = 8,239.73 : x
  2. Step 2: Convert to fraction form
    14,211.45/19,608.48 = 8,239.73/x
  3. Step 3: Cross multiply
    14,211.45x = 19,608.48 × 8,239.73
  4. Step 4: Simplify right side
    14,211.45x = 161,568,482.87
  5. Step 5: Solve for x
    x = 161,568,482.87/14,211.45
  6. Step 6: Final answer
    x = 11,368.90

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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.