Home / 26,907.86-37,146.30-20,844.61

Finding the Fourth Proportional to 26,907.86, 37,146.30 and 20,844.61

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Solution

The fourth proportional to 26,907.86, 37,146.30 and 20,844.61 is: 28,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.86 : 37,146.30 = 20,844.61 : x
  2. Step 2: Convert to fraction form
    26,907.86/37,146.30 = 20,844.61/x
  3. Step 3: Cross multiply
    26,907.86x = 37,146.30 × 20,844.61
  4. Step 4: Simplify right side
    26,907.86x = 774,299,965.41
  5. Step 5: Solve for x
    x = 774,299,965.41/26,907.86
  6. Step 6: Final answer
    x = 28,775.97

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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.