Home / 13,431.04-20,141.37-4,544.01

Finding the Fourth Proportional to 13,431.04, 20,141.37 and 4,544.01

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Solution

The fourth proportional to 13,431.04, 20,141.37 and 4,544.01 is: 6,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.04 : 20,141.37 = 4,544.01 : x
  2. Step 2: Convert to fraction form
    13,431.04/20,141.37 = 4,544.01/x
  3. Step 3: Cross multiply
    13,431.04x = 20,141.37 × 4,544.01
  4. Step 4: Simplify right side
    13,431.04x = 91,522,586.69
  5. Step 5: Solve for x
    x = 91,522,586.69/13,431.04
  6. Step 6: Final answer
    x = 6,814.26

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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.