Home / 14,027.28-19,357.52-7,739.64

Finding the Fourth Proportional to 14,027.28, 19,357.52 and 7,739.64

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Solution

The fourth proportional to 14,027.28, 19,357.52 and 7,739.64 is: 10,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.28 : 19,357.52 = 7,739.64 : x
  2. Step 2: Convert to fraction form
    14,027.28/19,357.52 = 7,739.64/x
  3. Step 3: Cross multiply
    14,027.28x = 19,357.52 × 7,739.64
  4. Step 4: Simplify right side
    14,027.28x = 149,820,236.09
  5. Step 5: Solve for x
    x = 149,820,236.09/14,027.28
  6. Step 6: Final answer
    x = 10,680.63

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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.