Home / 14,357.45-19,811.99-7,983.77

Finding the Fourth Proportional to 14,357.45, 19,811.99 and 7,983.77

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Solution

The fourth proportional to 14,357.45, 19,811.99 and 7,983.77 is: 11,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.45 : 19,811.99 = 7,983.77 : x
  2. Step 2: Convert to fraction form
    14,357.45/19,811.99 = 7,983.77/x
  3. Step 3: Cross multiply
    14,357.45x = 19,811.99 × 7,983.77
  4. Step 4: Simplify right side
    14,357.45x = 158,174,292.30
  5. Step 5: Solve for x
    x = 158,174,292.30/14,357.45
  6. Step 6: Final answer
    x = 11,016.88

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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.