Home / 14,739.46-20,342.56-8,367.64

Finding the Fourth Proportional to 14,739.46, 20,342.56 and 8,367.64

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Solution

The fourth proportional to 14,739.46, 20,342.56 and 8,367.64 is: 11,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.46 : 20,342.56 = 8,367.64 : x
  2. Step 2: Convert to fraction form
    14,739.46/20,342.56 = 8,367.64/x
  3. Step 3: Cross multiply
    14,739.46x = 20,342.56 × 8,367.64
  4. Step 4: Simplify right side
    14,739.46x = 170,219,218.76
  5. Step 5: Solve for x
    x = 170,219,218.76/14,739.46
  6. Step 6: Final answer
    x = 11,548.54

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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.