Home / 13,762.36-20,651.74-4,997.96

Finding the Fourth Proportional to 13,762.36, 20,651.74 and 4,997.96

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Solution

The fourth proportional to 13,762.36, 20,651.74 and 4,997.96 is: 7,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.36 : 20,651.74 = 4,997.96 : x
  2. Step 2: Convert to fraction form
    13,762.36/20,651.74 = 4,997.96/x
  3. Step 3: Cross multiply
    13,762.36x = 20,651.74 × 4,997.96
  4. Step 4: Simplify right side
    13,762.36x = 103,216,570.45
  5. Step 5: Solve for x
    x = 103,216,570.45/13,762.36
  6. Step 6: Final answer
    x = 7,499.92

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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.