Home / 12,954.45-19,431.68-3,594.48

Finding the Fourth Proportional to 12,954.45, 19,431.68 and 3,594.48

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Solution

The fourth proportional to 12,954.45, 19,431.68 and 3,594.48 is: 5,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.45 : 19,431.68 = 3,594.48 : x
  2. Step 2: Convert to fraction form
    12,954.45/19,431.68 = 3,594.48/x
  3. Step 3: Cross multiply
    12,954.45x = 19,431.68 × 3,594.48
  4. Step 4: Simplify right side
    12,954.45x = 69,846,714.50
  5. Step 5: Solve for x
    x = 69,846,714.50/12,954.45
  6. Step 6: Final answer
    x = 5,391.72

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Double scale
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Similar ratio
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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.