Home / 18,983.57-28,536.82-17,613.96

Finding the Fourth Proportional to 18,983.57, 28,536.82 and 17,613.96

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Solution

The fourth proportional to 18,983.57, 28,536.82 and 17,613.96 is: 26,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.57 : 28,536.82 = 17,613.96 : x
  2. Step 2: Convert to fraction form
    18,983.57/28,536.82 = 17,613.96/x
  3. Step 3: Cross multiply
    18,983.57x = 28,536.82 × 17,613.96
  4. Step 4: Simplify right side
    18,983.57x = 502,646,406.01
  5. Step 5: Solve for x
    x = 502,646,406.01/18,983.57
  6. Step 6: Final answer
    x = 26,477.97

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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.