Home / 13,556.25-20,318.76-5,232.57

Finding the Fourth Proportional to 13,556.25, 20,318.76 and 5,232.57

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Solution

The fourth proportional to 13,556.25, 20,318.76 and 5,232.57 is: 7,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.25 : 20,318.76 = 5,232.57 : x
  2. Step 2: Convert to fraction form
    13,556.25/20,318.76 = 5,232.57/x
  3. Step 3: Cross multiply
    13,556.25x = 20,318.76 × 5,232.57
  4. Step 4: Simplify right side
    13,556.25x = 106,319,334.01
  5. Step 5: Solve for x
    x = 106,319,334.01/13,556.25
  6. Step 6: Final answer
    x = 7,842.83

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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.