Home / 26,162.82-39,239.91-7,690.50

Finding the Fourth Proportional to 26,162.82, 39,239.91 and 7,690.50

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Solution

The fourth proportional to 26,162.82, 39,239.91 and 7,690.50 is: 11,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.82 : 39,239.91 = 7,690.50 : x
  2. Step 2: Convert to fraction form
    26,162.82/39,239.91 = 7,690.50/x
  3. Step 3: Cross multiply
    26,162.82x = 39,239.91 × 7,690.50
  4. Step 4: Simplify right side
    26,162.82x = 301,774,527.86
  5. Step 5: Solve for x
    x = 301,774,527.86/26,162.82
  6. Step 6: Final answer
    x = 11,534.48

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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.