Home / 13,533.19-20,299.30-6,132.47

Finding the Fourth Proportional to 13,533.19, 20,299.30 and 6,132.47

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Solution

The fourth proportional to 13,533.19, 20,299.30 and 6,132.47 is: 9,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.19 : 20,299.30 = 6,132.47 : x
  2. Step 2: Convert to fraction form
    13,533.19/20,299.30 = 6,132.47/x
  3. Step 3: Cross multiply
    13,533.19x = 20,299.30 × 6,132.47
  4. Step 4: Simplify right side
    13,533.19x = 124,484,731.44
  5. Step 5: Solve for x
    x = 124,484,731.44/13,533.19
  6. Step 6: Final answer
    x = 9,198.48

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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.