Home / 26,725.98-40,121.38-12,508.06

Finding the Fourth Proportional to 26,725.98, 40,121.38 and 12,508.06

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Solution

The fourth proportional to 26,725.98, 40,121.38 and 12,508.06 is: 18,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.98 : 40,121.38 = 12,508.06 : x
  2. Step 2: Convert to fraction form
    26,725.98/40,121.38 = 12,508.06/x
  3. Step 3: Cross multiply
    26,725.98x = 40,121.38 × 12,508.06
  4. Step 4: Simplify right side
    26,725.98x = 501,840,628.32
  5. Step 5: Solve for x
    x = 501,840,628.32/26,725.98
  6. Step 6: Final answer
    x = 18,777.26

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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.