Home / 19,298.46-28,947.62-12,676.74

Finding the Fourth Proportional to 19,298.46, 28,947.62 and 12,676.74

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Solution

The fourth proportional to 19,298.46, 28,947.62 and 12,676.74 is: 19,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.46 : 28,947.62 = 12,676.74 : x
  2. Step 2: Convert to fraction form
    19,298.46/28,947.62 = 12,676.74/x
  3. Step 3: Cross multiply
    19,298.46x = 28,947.62 × 12,676.74
  4. Step 4: Simplify right side
    19,298.46x = 366,961,452.36
  5. Step 5: Solve for x
    x = 366,961,452.36/19,298.46
  6. Step 6: Final answer
    x = 19,015.07

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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.