Home / 19,267.92-26,586.12-12,189.36

Finding the Fourth Proportional to 19,267.92, 26,586.12 and 12,189.36

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Solution

The fourth proportional to 19,267.92, 26,586.12 and 12,189.36 is: 16,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.92 : 26,586.12 = 12,189.36 : x
  2. Step 2: Convert to fraction form
    19,267.92/26,586.12 = 12,189.36/x
  3. Step 3: Cross multiply
    19,267.92x = 26,586.12 × 12,189.36
  4. Step 4: Simplify right side
    19,267.92x = 324,067,787.68
  5. Step 5: Solve for x
    x = 324,067,787.68/19,267.92
  6. Step 6: Final answer
    x = 16,819.03

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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.