Home / 13,955.44-20,941.32-5,196.56

Finding the Fourth Proportional to 13,955.44, 20,941.32 and 5,196.56

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Solution

The fourth proportional to 13,955.44, 20,941.32 and 5,196.56 is: 7,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.44 : 20,941.32 = 5,196.56 : x
  2. Step 2: Convert to fraction form
    13,955.44/20,941.32 = 5,196.56/x
  3. Step 3: Cross multiply
    13,955.44x = 20,941.32 × 5,196.56
  4. Step 4: Simplify right side
    13,955.44x = 108,822,825.86
  5. Step 5: Solve for x
    x = 108,822,825.86/13,955.44
  6. Step 6: Final answer
    x = 7,797.88

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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.