Home / 17,458.40-26,188.68-8,684.48

Finding the Fourth Proportional to 17,458.40, 26,188.68 and 8,684.48

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Solution

The fourth proportional to 17,458.40, 26,188.68 and 8,684.48 is: 13,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,458.40 : 26,188.68 = 8,684.48 : x
  2. Step 2: Convert to fraction form
    17,458.40/26,188.68 = 8,684.48/x
  3. Step 3: Cross multiply
    17,458.40x = 26,188.68 × 8,684.48
  4. Step 4: Simplify right side
    17,458.40x = 227,435,067.69
  5. Step 5: Solve for x
    x = 227,435,067.69/17,458.40
  6. Step 6: Final answer
    x = 13,027.26

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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.