Home / 26,790.90-40,186.66-12,752.24

Finding the Fourth Proportional to 26,790.90, 40,186.66 and 12,752.24

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Solution

The fourth proportional to 26,790.90, 40,186.66 and 12,752.24 is: 19,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.90 : 40,186.66 = 12,752.24 : x
  2. Step 2: Convert to fraction form
    26,790.90/40,186.66 = 12,752.24/x
  3. Step 3: Cross multiply
    26,790.90x = 40,186.66 × 12,752.24
  4. Step 4: Simplify right side
    26,790.90x = 512,469,933.12
  5. Step 5: Solve for x
    x = 512,469,933.12/26,790.90
  6. Step 6: Final answer
    x = 19,128.51

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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.