Home / 26,469.53-39,718.20-11,688.60

Finding the Fourth Proportional to 26,469.53, 39,718.20 and 11,688.60

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Solution

The fourth proportional to 26,469.53, 39,718.20 and 11,688.60 is: 17,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.53 : 39,718.20 = 11,688.60 : x
  2. Step 2: Convert to fraction form
    26,469.53/39,718.20 = 11,688.60/x
  3. Step 3: Cross multiply
    26,469.53x = 39,718.20 × 11,688.60
  4. Step 4: Simplify right side
    26,469.53x = 464,250,279.55
  5. Step 5: Solve for x
    x = 464,250,279.55/26,469.53
  6. Step 6: Final answer
    x = 17,539.04

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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.