Home / 19,076.72-26,321.46-12,012.44

Finding the Fourth Proportional to 19,076.72, 26,321.46 and 12,012.44

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Solution

The fourth proportional to 19,076.72, 26,321.46 and 12,012.44 is: 16,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.72 : 26,321.46 = 12,012.44 : x
  2. Step 2: Convert to fraction form
    19,076.72/26,321.46 = 12,012.44/x
  3. Step 3: Cross multiply
    19,076.72x = 26,321.46 × 12,012.44
  4. Step 4: Simplify right side
    19,076.72x = 316,184,958.96
  5. Step 5: Solve for x
    x = 316,184,958.96/19,076.72
  6. Step 6: Final answer
    x = 16,574.39

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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.