Home / 19,835.12-27,372.24-11,451.44

Finding the Fourth Proportional to 19,835.12, 27,372.24 and 11,451.44

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Solution

The fourth proportional to 19,835.12, 27,372.24 and 11,451.44 is: 15,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.12 : 27,372.24 = 11,451.44 : x
  2. Step 2: Convert to fraction form
    19,835.12/27,372.24 = 11,451.44/x
  3. Step 3: Cross multiply
    19,835.12x = 27,372.24 × 11,451.44
  4. Step 4: Simplify right side
    19,835.12x = 313,451,564.03
  5. Step 5: Solve for x
    x = 313,451,564.03/19,835.12
  6. Step 6: Final answer
    x = 15,802.86

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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.