Home / 14,345.40-19,796.82-8,057.88

Finding the Fourth Proportional to 14,345.40, 19,796.82 and 8,057.88

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Solution

The fourth proportional to 14,345.40, 19,796.82 and 8,057.88 is: 11,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.40 : 19,796.82 = 8,057.88 : x
  2. Step 2: Convert to fraction form
    14,345.40/19,796.82 = 8,057.88/x
  3. Step 3: Cross multiply
    14,345.40x = 19,796.82 × 8,057.88
  4. Step 4: Simplify right side
    14,345.40x = 159,520,399.94
  5. Step 5: Solve for x
    x = 159,520,399.94/14,345.40
  6. Step 6: Final answer
    x = 11,119.97

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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.