Home / 13,533.65-20,300.47-3,674.37

Finding the Fourth Proportional to 13,533.65, 20,300.47 and 3,674.37

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Solution

The fourth proportional to 13,533.65, 20,300.47 and 3,674.37 is: 5,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.65 : 20,300.47 = 3,674.37 : x
  2. Step 2: Convert to fraction form
    13,533.65/20,300.47 = 3,674.37/x
  3. Step 3: Cross multiply
    13,533.65x = 20,300.47 × 3,674.37
  4. Step 4: Simplify right side
    13,533.65x = 74,591,504.89
  5. Step 5: Solve for x
    x = 74,591,504.89/13,533.65
  6. Step 6: Final answer
    x = 5,511.56

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1.5x scale

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.