Home / 19,161.90-28,725.98-7,466.92

Finding the Fourth Proportional to 19,161.90, 28,725.98 and 7,466.92

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Solution

The fourth proportional to 19,161.90, 28,725.98 and 7,466.92 is: 11,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.90 : 28,725.98 = 7,466.92 : x
  2. Step 2: Convert to fraction form
    19,161.90/28,725.98 = 7,466.92/x
  3. Step 3: Cross multiply
    19,161.90x = 28,725.98 × 7,466.92
  4. Step 4: Simplify right side
    19,161.90x = 214,494,485.43
  5. Step 5: Solve for x
    x = 214,494,485.43/19,161.90
  6. Step 6: Final answer
    x = 11,193.80

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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.