Home / 13,858.25-20,788.58-5,093.24

Finding the Fourth Proportional to 13,858.25, 20,788.58 and 5,093.24

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Solution

The fourth proportional to 13,858.25, 20,788.58 and 5,093.24 is: 7,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.25 : 20,788.58 = 5,093.24 : x
  2. Step 2: Convert to fraction form
    13,858.25/20,788.58 = 5,093.24/x
  3. Step 3: Cross multiply
    13,858.25x = 20,788.58 × 5,093.24
  4. Step 4: Simplify right side
    13,858.25x = 105,881,097.79
  5. Step 5: Solve for x
    x = 105,881,097.79/13,858.25
  6. Step 6: Final answer
    x = 7,640.30

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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.