Home / 26,782.40-40,166.40-11,196.80

Finding the Fourth Proportional to 26,782.40, 40,166.40 and 11,196.80

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Solution

The fourth proportional to 26,782.40, 40,166.40 and 11,196.80 is: 16,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,782.40 : 40,166.40 = 11,196.80 : x
  2. Step 2: Convert to fraction form
    26,782.40/40,166.40 = 11,196.80/x
  3. Step 3: Cross multiply
    26,782.40x = 40,166.40 × 11,196.80
  4. Step 4: Simplify right side
    26,782.40x = 449,735,147.52
  5. Step 5: Solve for x
    x = 449,735,147.52/26,782.40
  6. Step 6: Final answer
    x = 16,792.19

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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.