Home / 17,609.42-26,418.45-5,129.56

Finding the Fourth Proportional to 17,609.42, 26,418.45 and 5,129.56

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Solution

The fourth proportional to 17,609.42, 26,418.45 and 5,129.56 is: 7,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.42 : 26,418.45 = 5,129.56 : x
  2. Step 2: Convert to fraction form
    17,609.42/26,418.45 = 5,129.56/x
  3. Step 3: Cross multiply
    17,609.42x = 26,418.45 × 5,129.56
  4. Step 4: Simplify right side
    17,609.42x = 135,514,884.76
  5. Step 5: Solve for x
    x = 135,514,884.76/17,609.42
  6. Step 6: Final answer
    x = 7,695.59

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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.