Home / 13,533.54-20,301.96-5,739.72

Finding the Fourth Proportional to 13,533.54, 20,301.96 and 5,739.72

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Solution

The fourth proportional to 13,533.54, 20,301.96 and 5,739.72 is: 8,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.54 : 20,301.96 = 5,739.72 : x
  2. Step 2: Convert to fraction form
    13,533.54/20,301.96 = 5,739.72/x
  3. Step 3: Cross multiply
    13,533.54x = 20,301.96 × 5,739.72
  4. Step 4: Simplify right side
    13,533.54x = 116,527,565.85
  5. Step 5: Solve for x
    x = 116,527,565.85/13,533.54
  6. Step 6: Final answer
    x = 8,610.28

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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.