Home / 26,790.82-40,174.28-12,754.86

Finding the Fourth Proportional to 26,790.82, 40,174.28 and 12,754.86

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Solution

The fourth proportional to 26,790.82, 40,174.28 and 12,754.86 is: 19,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.82 : 40,174.28 = 12,754.86 : x
  2. Step 2: Convert to fraction form
    26,790.82/40,174.28 = 12,754.86/x
  3. Step 3: Cross multiply
    26,790.82x = 40,174.28 × 12,754.86
  4. Step 4: Simplify right side
    26,790.82x = 512,417,317.00
  5. Step 5: Solve for x
    x = 512,417,317.00/26,790.82
  6. Step 6: Final answer
    x = 19,126.60

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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.