Home / 26,751.60-40,132.20-11,170.80

Finding the Fourth Proportional to 26,751.60, 40,132.20 and 11,170.80

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Solution

The fourth proportional to 26,751.60, 40,132.20 and 11,170.80 is: 16,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.60 : 40,132.20 = 11,170.80 : x
  2. Step 2: Convert to fraction form
    26,751.60/40,132.20 = 11,170.80/x
  3. Step 3: Cross multiply
    26,751.60x = 40,132.20 × 11,170.80
  4. Step 4: Simplify right side
    26,751.60x = 448,308,779.76
  5. Step 5: Solve for x
    x = 448,308,779.76/26,751.60
  6. Step 6: Final answer
    x = 16,758.20

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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.