Home / 14,786.10-20,393.28-9,481.32

Finding the Fourth Proportional to 14,786.10, 20,393.28 and 9,481.32

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Solution

The fourth proportional to 14,786.10, 20,393.28 and 9,481.32 is: 13,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.10 : 20,393.28 = 9,481.32 : x
  2. Step 2: Convert to fraction form
    14,786.10/20,393.28 = 9,481.32/x
  3. Step 3: Cross multiply
    14,786.10x = 20,393.28 × 9,481.32
  4. Step 4: Simplify right side
    14,786.10x = 193,355,213.53
  5. Step 5: Solve for x
    x = 193,355,213.53/14,786.10
  6. Step 6: Final answer
    x = 13,076.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.