Home / 19,471.54-26,872.84-11,922.96

Finding the Fourth Proportional to 19,471.54, 26,872.84 and 11,922.96

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Solution

The fourth proportional to 19,471.54, 26,872.84 and 11,922.96 is: 16,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.54 : 26,872.84 = 11,922.96 : x
  2. Step 2: Convert to fraction form
    19,471.54/26,872.84 = 11,922.96/x
  3. Step 3: Cross multiply
    19,471.54x = 26,872.84 × 11,922.96
  4. Step 4: Simplify right side
    19,471.54x = 320,403,796.41
  5. Step 5: Solve for x
    x = 320,403,796.41/19,471.54
  6. Step 6: Final answer
    x = 16,454.98

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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.