Home / 14,045.82-19,382.04-8,076.30

Finding the Fourth Proportional to 14,045.82, 19,382.04 and 8,076.30

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Solution

The fourth proportional to 14,045.82, 19,382.04 and 8,076.30 is: 11,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.82 : 19,382.04 = 8,076.30 : x
  2. Step 2: Convert to fraction form
    14,045.82/19,382.04 = 8,076.30/x
  3. Step 3: Cross multiply
    14,045.82x = 19,382.04 × 8,076.30
  4. Step 4: Simplify right side
    14,045.82x = 156,535,169.65
  5. Step 5: Solve for x
    x = 156,535,169.65/14,045.82
  6. Step 6: Final answer
    x = 11,144.61

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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.