Home / 26,676.99-36,811.08-15,919.88

Finding the Fourth Proportional to 26,676.99, 36,811.08 and 15,919.88

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Solution

The fourth proportional to 26,676.99, 36,811.08 and 15,919.88 is: 21,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.99 : 36,811.08 = 15,919.88 : x
  2. Step 2: Convert to fraction form
    26,676.99/36,811.08 = 15,919.88/x
  3. Step 3: Cross multiply
    26,676.99x = 36,811.08 × 15,919.88
  4. Step 4: Simplify right side
    26,676.99x = 586,027,792.22
  5. Step 5: Solve for x
    x = 586,027,792.22/26,676.99
  6. Step 6: Final answer
    x = 21,967.54

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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.