Home / 13,932.45-20,892.87-5,162.58

Finding the Fourth Proportional to 13,932.45, 20,892.87 and 5,162.58

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Solution

The fourth proportional to 13,932.45, 20,892.87 and 5,162.58 is: 7,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.45 : 20,892.87 = 5,162.58 : x
  2. Step 2: Convert to fraction form
    13,932.45/20,892.87 = 5,162.58/x
  3. Step 3: Cross multiply
    13,932.45x = 20,892.87 × 5,162.58
  4. Step 4: Simplify right side
    13,932.45x = 107,861,112.80
  5. Step 5: Solve for x
    x = 107,861,112.80/13,932.45
  6. Step 6: Final answer
    x = 7,741.72

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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.