Home / 26,512.66-39,682.45-19,490.82

Finding the Fourth Proportional to 26,512.66, 39,682.45 and 19,490.82

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Solution

The fourth proportional to 26,512.66, 39,682.45 and 19,490.82 is: 29,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.66 : 39,682.45 = 19,490.82 : x
  2. Step 2: Convert to fraction form
    26,512.66/39,682.45 = 19,490.82/x
  3. Step 3: Cross multiply
    26,512.66x = 39,682.45 × 19,490.82
  4. Step 4: Simplify right side
    26,512.66x = 773,443,490.11
  5. Step 5: Solve for x
    x = 773,443,490.11/26,512.66
  6. Step 6: Final answer
    x = 29,172.61

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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.