Home / 19,790.44-27,315.30-12,337

Finding the Fourth Proportional to 19,790.44, 27,315.30 and 12,337

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Solution

The fourth proportional to 19,790.44, 27,315.30 and 12,337 is: 17,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.44 : 27,315.30 = 12,337 : x
  2. Step 2: Convert to fraction form
    19,790.44/27,315.30 = 12,337/x
  3. Step 3: Cross multiply
    19,790.44x = 27,315.30 × 12,337
  4. Step 4: Simplify right side
    19,790.44x = 336,988,856.10
  5. Step 5: Solve for x
    x = 336,988,856.10/19,790.44
  6. Step 6: Final answer
    x = 17,027.86

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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.