Home / 19,474.48-26,872.86-11,922.94

Finding the Fourth Proportional to 19,474.48, 26,872.86 and 11,922.94

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Solution

The fourth proportional to 19,474.48, 26,872.86 and 11,922.94 is: 16,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.48 : 26,872.86 = 11,922.94 : x
  2. Step 2: Convert to fraction form
    19,474.48/26,872.86 = 11,922.94/x
  3. Step 3: Cross multiply
    19,474.48x = 26,872.86 × 11,922.94
  4. Step 4: Simplify right side
    19,474.48x = 320,403,497.41
  5. Step 5: Solve for x
    x = 320,403,497.41/19,474.48
  6. Step 6: Final answer
    x = 16,452.48

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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.