Home / 14,613.87-20,167.27-8,326.65

Finding the Fourth Proportional to 14,613.87, 20,167.27 and 8,326.65

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Solution

The fourth proportional to 14,613.87, 20,167.27 and 8,326.65 is: 11,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.87 : 20,167.27 = 8,326.65 : x
  2. Step 2: Convert to fraction form
    14,613.87/20,167.27 = 8,326.65/x
  3. Step 3: Cross multiply
    14,613.87x = 20,167.27 × 8,326.65
  4. Step 4: Simplify right side
    14,613.87x = 167,925,777.93
  5. Step 5: Solve for x
    x = 167,925,777.93/14,613.87
  6. Step 6: Final answer
    x = 11,490.85

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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.