Home / 26,558.90-39,819.88-11,759.74

Finding the Fourth Proportional to 26,558.90, 39,819.88 and 11,759.74

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Solution

The fourth proportional to 26,558.90, 39,819.88 and 11,759.74 is: 17,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558.90 : 39,819.88 = 11,759.74 : x
  2. Step 2: Convert to fraction form
    26,558.90/39,819.88 = 11,759.74/x
  3. Step 3: Cross multiply
    26,558.90x = 39,819.88 × 11,759.74
  4. Step 4: Simplify right side
    26,558.90x = 468,271,435.63
  5. Step 5: Solve for x
    x = 468,271,435.63/26,558.90
  6. Step 6: Final answer
    x = 17,631.43

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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.