Home / 13,762.24-20,636.37-5,861.70

Finding the Fourth Proportional to 13,762.24, 20,636.37 and 5,861.70

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Solution

The fourth proportional to 13,762.24, 20,636.37 and 5,861.70 is: 8,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.24 : 20,636.37 = 5,861.70 : x
  2. Step 2: Convert to fraction form
    13,762.24/20,636.37 = 5,861.70/x
  3. Step 3: Cross multiply
    13,762.24x = 20,636.37 × 5,861.70
  4. Step 4: Simplify right side
    13,762.24x = 120,964,210.03
  5. Step 5: Solve for x
    x = 120,964,210.03/13,762.24
  6. Step 6: Final answer
    x = 8,789.57

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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.