Home / 19,454.58-29,191.39-12,057.05

Finding the Fourth Proportional to 19,454.58, 29,191.39 and 12,057.05

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Solution

The fourth proportional to 19,454.58, 29,191.39 and 12,057.05 is: 18,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.58 : 29,191.39 = 12,057.05 : x
  2. Step 2: Convert to fraction form
    19,454.58/29,191.39 = 12,057.05/x
  3. Step 3: Cross multiply
    19,454.58x = 29,191.39 × 12,057.05
  4. Step 4: Simplify right side
    19,454.58x = 351,962,091.64
  5. Step 5: Solve for x
    x = 351,962,091.64/19,454.58
  6. Step 6: Final answer
    x = 18,091.48

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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.