Home / 13,525.92-20,286.45-6,129

Finding the Fourth Proportional to 13,525.92, 20,286.45 and 6,129

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Solution

The fourth proportional to 13,525.92, 20,286.45 and 6,129 is: 9,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.92 : 20,286.45 = 6,129 : x
  2. Step 2: Convert to fraction form
    13,525.92/20,286.45 = 6,129/x
  3. Step 3: Cross multiply
    13,525.92x = 20,286.45 × 6,129
  4. Step 4: Simplify right side
    13,525.92x = 124,335,652.05
  5. Step 5: Solve for x
    x = 124,335,652.05/13,525.92
  6. Step 6: Final answer
    x = 9,192.40

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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.