Home / 18,613.82-27,874.49-13,041.02

Finding the Fourth Proportional to 18,613.82, 27,874.49 and 13,041.02

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Solution

The fourth proportional to 18,613.82, 27,874.49 and 13,041.02 is: 19,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.82 : 27,874.49 = 13,041.02 : x
  2. Step 2: Convert to fraction form
    18,613.82/27,874.49 = 13,041.02/x
  3. Step 3: Cross multiply
    18,613.82x = 27,874.49 × 13,041.02
  4. Step 4: Simplify right side
    18,613.82x = 363,511,577.00
  5. Step 5: Solve for x
    x = 363,511,577.00/18,613.82
  6. Step 6: Final answer
    x = 19,529.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.