Home / 19,157.85-26,440.98-11,198.52

Finding the Fourth Proportional to 19,157.85, 26,440.98 and 11,198.52

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Solution

The fourth proportional to 19,157.85, 26,440.98 and 11,198.52 is: 15,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.85 : 26,440.98 = 11,198.52 : x
  2. Step 2: Convert to fraction form
    19,157.85/26,440.98 = 11,198.52/x
  3. Step 3: Cross multiply
    19,157.85x = 26,440.98 × 11,198.52
  4. Step 4: Simplify right side
    19,157.85x = 296,099,843.35
  5. Step 5: Solve for x
    x = 296,099,843.35/19,157.85
  6. Step 6: Final answer
    x = 15,455.80

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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.