Home / 19,070.90-28,608.63-7,226.54

Finding the Fourth Proportional to 19,070.90, 28,608.63 and 7,226.54

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Solution

The fourth proportional to 19,070.90, 28,608.63 and 7,226.54 is: 10,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.90 : 28,608.63 = 7,226.54 : x
  2. Step 2: Convert to fraction form
    19,070.90/28,608.63 = 7,226.54/x
  3. Step 3: Cross multiply
    19,070.90x = 28,608.63 × 7,226.54
  4. Step 4: Simplify right side
    19,070.90x = 206,741,409.04
  5. Step 5: Solve for x
    x = 206,741,409.04/19,070.90
  6. Step 6: Final answer
    x = 10,840.67

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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.