Home / 19,207.94-28,872.05-12,676.10

Finding the Fourth Proportional to 19,207.94, 28,872.05 and 12,676.10

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Solution

The fourth proportional to 19,207.94, 28,872.05 and 12,676.10 is: 19,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.94 : 28,872.05 = 12,676.10 : x
  2. Step 2: Convert to fraction form
    19,207.94/28,872.05 = 12,676.10/x
  3. Step 3: Cross multiply
    19,207.94x = 28,872.05 × 12,676.10
  4. Step 4: Simplify right side
    19,207.94x = 365,984,785.26
  5. Step 5: Solve for x
    x = 365,984,785.26/19,207.94
  6. Step 6: Final answer
    x = 19,053.83

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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.