Home / 13,607.38-20,412.06-5,701.96

Finding the Fourth Proportional to 13,607.38, 20,412.06 and 5,701.96

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Solution

The fourth proportional to 13,607.38, 20,412.06 and 5,701.96 is: 8,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.38 : 20,412.06 = 5,701.96 : x
  2. Step 2: Convert to fraction form
    13,607.38/20,412.06 = 5,701.96/x
  3. Step 3: Cross multiply
    13,607.38x = 20,412.06 × 5,701.96
  4. Step 4: Simplify right side
    13,607.38x = 116,388,749.64
  5. Step 5: Solve for x
    x = 116,388,749.64/13,607.38
  6. Step 6: Final answer
    x = 8,553.35

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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.