Home / 13,922.58-20,883.80-5,037.88

Finding the Fourth Proportional to 13,922.58, 20,883.80 and 5,037.88

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Solution

The fourth proportional to 13,922.58, 20,883.80 and 5,037.88 is: 7,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.58 : 20,883.80 = 5,037.88 : x
  2. Step 2: Convert to fraction form
    13,922.58/20,883.80 = 5,037.88/x
  3. Step 3: Cross multiply
    13,922.58x = 20,883.80 × 5,037.88
  4. Step 4: Simplify right side
    13,922.58x = 105,210,078.34
  5. Step 5: Solve for x
    x = 105,210,078.34/13,922.58
  6. Step 6: Final answer
    x = 7,556.79

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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.