Home / 14,171.28-19,559.66-8,206.44

Finding the Fourth Proportional to 14,171.28, 19,559.66 and 8,206.44

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Solution

The fourth proportional to 14,171.28, 19,559.66 and 8,206.44 is: 11,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.28 : 19,559.66 = 8,206.44 : x
  2. Step 2: Convert to fraction form
    14,171.28/19,559.66 = 8,206.44/x
  3. Step 3: Cross multiply
    14,171.28x = 19,559.66 × 8,206.44
  4. Step 4: Simplify right side
    14,171.28x = 160,515,176.21
  5. Step 5: Solve for x
    x = 160,515,176.21/14,171.28
  6. Step 6: Final answer
    x = 11,326.79

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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.