Home / 35,209.54-52,811.72-13,012.56

Finding the Fourth Proportional to 35,209.54, 52,811.72 and 13,012.56

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Solution

The fourth proportional to 35,209.54, 52,811.72 and 13,012.56 is: 19,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,209.54 : 52,811.72 = 13,012.56 : x
  2. Step 2: Convert to fraction form
    35,209.54/52,811.72 = 13,012.56/x
  3. Step 3: Cross multiply
    35,209.54x = 52,811.72 × 13,012.56
  4. Step 4: Simplify right side
    35,209.54x = 687,215,675.20
  5. Step 5: Solve for x
    x = 687,215,675.20/35,209.54
  6. Step 6: Final answer
    x = 19,517.88

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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.