Home / 13,606.62-20,415.06-9,265.02

Finding the Fourth Proportional to 13,606.62, 20,415.06 and 9,265.02

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Solution

The fourth proportional to 13,606.62, 20,415.06 and 9,265.02 is: 13,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.62 : 20,415.06 = 9,265.02 : x
  2. Step 2: Convert to fraction form
    13,606.62/20,415.06 = 9,265.02/x
  3. Step 3: Cross multiply
    13,606.62x = 20,415.06 × 9,265.02
  4. Step 4: Simplify right side
    13,606.62x = 189,145,939.20
  5. Step 5: Solve for x
    x = 189,145,939.20/13,606.62
  6. Step 6: Final answer
    x = 13,901.02

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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.