Home / 26,621.18-39,893.48-18,310.58

Finding the Fourth Proportional to 26,621.18, 39,893.48 and 18,310.58

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Solution

The fourth proportional to 26,621.18, 39,893.48 and 18,310.58 is: 27,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.18 : 39,893.48 = 18,310.58 : x
  2. Step 2: Convert to fraction form
    26,621.18/39,893.48 = 18,310.58/x
  3. Step 3: Cross multiply
    26,621.18x = 39,893.48 × 18,310.58
  4. Step 4: Simplify right side
    26,621.18x = 730,472,466.00
  5. Step 5: Solve for x
    x = 730,472,466.00/26,621.18
  6. Step 6: Final answer
    x = 27,439.53

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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.