Home / 13,429.68-20,137.28-6,036

Finding the Fourth Proportional to 13,429.68, 20,137.28 and 6,036

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Solution

The fourth proportional to 13,429.68, 20,137.28 and 6,036 is: 9,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.68 : 20,137.28 = 6,036 : x
  2. Step 2: Convert to fraction form
    13,429.68/20,137.28 = 6,036/x
  3. Step 3: Cross multiply
    13,429.68x = 20,137.28 × 6,036
  4. Step 4: Simplify right side
    13,429.68x = 121,548,622.08
  5. Step 5: Solve for x
    x = 121,548,622.08/13,429.68
  6. Step 6: Final answer
    x = 9,050.75

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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.