Home / 14,550.94-20,079.09-8,176.65

Finding the Fourth Proportional to 14,550.94, 20,079.09 and 8,176.65

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Solution

The fourth proportional to 14,550.94, 20,079.09 and 8,176.65 is: 11,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.94 : 20,079.09 = 8,176.65 : x
  2. Step 2: Convert to fraction form
    14,550.94/20,079.09 = 8,176.65/x
  3. Step 3: Cross multiply
    14,550.94x = 20,079.09 × 8,176.65
  4. Step 4: Simplify right side
    14,550.94x = 164,179,615.95
  5. Step 5: Solve for x
    x = 164,179,615.95/14,550.94
  6. Step 6: Final answer
    x = 11,283.09

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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.