Home / 13,955.24-20,932.93-6,933.60

Finding the Fourth Proportional to 13,955.24, 20,932.93 and 6,933.60

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Solution

The fourth proportional to 13,955.24, 20,932.93 and 6,933.60 is: 10,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.24 : 20,932.93 = 6,933.60 : x
  2. Step 2: Convert to fraction form
    13,955.24/20,932.93 = 6,933.60/x
  3. Step 3: Cross multiply
    13,955.24x = 20,932.93 × 6,933.60
  4. Step 4: Simplify right side
    13,955.24x = 145,140,660.43
  5. Step 5: Solve for x
    x = 145,140,660.43/13,955.24
  6. Step 6: Final answer
    x = 10,400.44

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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.