Home / 13,099.38-19,649.09-3,238.52

Finding the Fourth Proportional to 13,099.38, 19,649.09 and 3,238.52

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Solution

The fourth proportional to 13,099.38, 19,649.09 and 3,238.52 is: 4,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.38 : 19,649.09 = 3,238.52 : x
  2. Step 2: Convert to fraction form
    13,099.38/19,649.09 = 3,238.52/x
  3. Step 3: Cross multiply
    13,099.38x = 19,649.09 × 3,238.52
  4. Step 4: Simplify right side
    13,099.38x = 63,633,856.51
  5. Step 5: Solve for x
    x = 63,633,856.51/13,099.38
  6. Step 6: Final answer
    x = 4,857.78

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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.