Home / 26,755.74-36,919.83-15,425.14

Finding the Fourth Proportional to 26,755.74, 36,919.83 and 15,425.14

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Solution

The fourth proportional to 26,755.74, 36,919.83 and 15,425.14 is: 21,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.74 : 36,919.83 = 15,425.14 : x
  2. Step 2: Convert to fraction form
    26,755.74/36,919.83 = 15,425.14/x
  3. Step 3: Cross multiply
    26,755.74x = 36,919.83 × 15,425.14
  4. Step 4: Simplify right side
    26,755.74x = 569,493,546.53
  5. Step 5: Solve for x
    x = 569,493,546.53/26,755.74
  6. Step 6: Final answer
    x = 21,284.91

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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.