Home / 13,796.34-20,697.61-5,031.28

Finding the Fourth Proportional to 13,796.34, 20,697.61 and 5,031.28

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Solution

The fourth proportional to 13,796.34, 20,697.61 and 5,031.28 is: 7,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.34 : 20,697.61 = 5,031.28 : x
  2. Step 2: Convert to fraction form
    13,796.34/20,697.61 = 5,031.28/x
  3. Step 3: Cross multiply
    13,796.34x = 20,697.61 × 5,031.28
  4. Step 4: Simplify right side
    13,796.34x = 104,135,471.24
  5. Step 5: Solve for x
    x = 104,135,471.24/13,796.34
  6. Step 6: Final answer
    x = 7,548.05

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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.