Home / 13,455.22-20,187.96-6,057.98

Finding the Fourth Proportional to 13,455.22, 20,187.96 and 6,057.98

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Solution

The fourth proportional to 13,455.22, 20,187.96 and 6,057.98 is: 9,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.22 : 20,187.96 = 6,057.98 : x
  2. Step 2: Convert to fraction form
    13,455.22/20,187.96 = 6,057.98/x
  3. Step 3: Cross multiply
    13,455.22x = 20,187.96 × 6,057.98
  4. Step 4: Simplify right side
    13,455.22x = 122,298,177.16
  5. Step 5: Solve for x
    x = 122,298,177.16/13,455.22
  6. Step 6: Final answer
    x = 9,089.27

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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.