Home / 14,613.30-20,165.58-8,240.04

Finding the Fourth Proportional to 14,613.30, 20,165.58 and 8,240.04

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Solution

The fourth proportional to 14,613.30, 20,165.58 and 8,240.04 is: 11,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.30 : 20,165.58 = 8,240.04 : x
  2. Step 2: Convert to fraction form
    14,613.30/20,165.58 = 8,240.04/x
  3. Step 3: Cross multiply
    14,613.30x = 20,165.58 × 8,240.04
  4. Step 4: Simplify right side
    14,613.30x = 166,165,185.82
  5. Step 5: Solve for x
    x = 166,165,185.82/14,613.30
  6. Step 6: Final answer
    x = 11,370.82

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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.