Home / 27,676.80-38,148.46-19,613.16

Finding the Fourth Proportional to 27,676.80, 38,148.46 and 19,613.16

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Solution

The fourth proportional to 27,676.80, 38,148.46 and 19,613.16 is: 27,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.80 : 38,148.46 = 19,613.16 : x
  2. Step 2: Convert to fraction form
    27,676.80/38,148.46 = 19,613.16/x
  3. Step 3: Cross multiply
    27,676.80x = 38,148.46 × 19,613.16
  4. Step 4: Simplify right side
    27,676.80x = 748,211,849.73
  5. Step 5: Solve for x
    x = 748,211,849.73/27,676.80
  6. Step 6: Final answer
    x = 27,033.90

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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.