Home / 26,578.31-36,647.64-19,852.61

Finding the Fourth Proportional to 26,578.31, 36,647.64 and 19,852.61

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Solution

The fourth proportional to 26,578.31, 36,647.64 and 19,852.61 is: 27,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.31 : 36,647.64 = 19,852.61 : x
  2. Step 2: Convert to fraction form
    26,578.31/36,647.64 = 19,852.61/x
  3. Step 3: Cross multiply
    26,578.31x = 36,647.64 × 19,852.61
  4. Step 4: Simplify right side
    26,578.31x = 727,551,121.10
  5. Step 5: Solve for x
    x = 727,551,121.10/26,578.31
  6. Step 6: Final answer
    x = 27,373.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.