Home / 13,835.82-20,753.73-11,852.94

Finding the Fourth Proportional to 13,835.82, 20,753.73 and 11,852.94

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Solution

The fourth proportional to 13,835.82, 20,753.73 and 11,852.94 is: 17,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.82 : 20,753.73 = 11,852.94 : x
  2. Step 2: Convert to fraction form
    13,835.82/20,753.73 = 11,852.94/x
  3. Step 3: Cross multiply
    13,835.82x = 20,753.73 × 11,852.94
  4. Step 4: Simplify right side
    13,835.82x = 245,992,716.47
  5. Step 5: Solve for x
    x = 245,992,716.47/13,835.82
  6. Step 6: Final answer
    x = 17,779.41

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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.