Home / 19,193.76-28,821.89-11,844.93

Finding the Fourth Proportional to 19,193.76, 28,821.89 and 11,844.93

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Solution

The fourth proportional to 19,193.76, 28,821.89 and 11,844.93 is: 17,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.76 : 28,821.89 = 11,844.93 : x
  2. Step 2: Convert to fraction form
    19,193.76/28,821.89 = 11,844.93/x
  3. Step 3: Cross multiply
    19,193.76x = 28,821.89 × 11,844.93
  4. Step 4: Simplify right side
    19,193.76x = 341,393,407.21
  5. Step 5: Solve for x
    x = 341,393,407.21/19,193.76
  6. Step 6: Final answer
    x = 17,786.69

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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.