Home / 13,796.85-20,698.35-5,031.76

Finding the Fourth Proportional to 13,796.85, 20,698.35 and 5,031.76

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Solution

The fourth proportional to 13,796.85, 20,698.35 and 5,031.76 is: 7,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.85 : 20,698.35 = 5,031.76 : x
  2. Step 2: Convert to fraction form
    13,796.85/20,698.35 = 5,031.76/x
  3. Step 3: Cross multiply
    13,796.85x = 20,698.35 × 5,031.76
  4. Step 4: Simplify right side
    13,796.85x = 104,149,129.60
  5. Step 5: Solve for x
    x = 104,149,129.60/13,796.85
  6. Step 6: Final answer
    x = 7,548.76

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1.5x scale

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.