Home / 19,576.85-27,027.74-12,873.69

Finding the Fourth Proportional to 19,576.85, 27,027.74 and 12,873.69

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Solution

The fourth proportional to 19,576.85, 27,027.74 and 12,873.69 is: 17,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.85 : 27,027.74 = 12,873.69 : x
  2. Step 2: Convert to fraction form
    19,576.85/27,027.74 = 12,873.69/x
  3. Step 3: Cross multiply
    19,576.85x = 27,027.74 × 12,873.69
  4. Step 4: Simplify right side
    19,576.85x = 347,946,778.34
  5. Step 5: Solve for x
    x = 347,946,778.34/19,576.85
  6. Step 6: Final answer
    x = 17,773.38

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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.