Home / 13,366.78-20,047.24-4,483.36

Finding the Fourth Proportional to 13,366.78, 20,047.24 and 4,483.36

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Solution

The fourth proportional to 13,366.78, 20,047.24 and 4,483.36 is: 6,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.78 : 20,047.24 = 4,483.36 : x
  2. Step 2: Convert to fraction form
    13,366.78/20,047.24 = 4,483.36/x
  3. Step 3: Cross multiply
    13,366.78x = 20,047.24 × 4,483.36
  4. Step 4: Simplify right side
    13,366.78x = 89,878,993.93
  5. Step 5: Solve for x
    x = 89,878,993.93/13,366.78
  6. Step 6: Final answer
    x = 6,724.06

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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.