Home / 14,027.64-19,357.56-7,739.88

Finding the Fourth Proportional to 14,027.64, 19,357.56 and 7,739.88

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Solution

The fourth proportional to 14,027.64, 19,357.56 and 7,739.88 is: 10,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.64 : 19,357.56 = 7,739.88 : x
  2. Step 2: Convert to fraction form
    14,027.64/19,357.56 = 7,739.88/x
  3. Step 3: Cross multiply
    14,027.64x = 19,357.56 × 7,739.88
  4. Step 4: Simplify right side
    14,027.64x = 149,825,191.49
  5. Step 5: Solve for x
    x = 149,825,191.49/14,027.64
  6. Step 6: Final answer
    x = 10,680.71

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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.