Home / 26,720.51-36,872.96-14,620.73

Finding the Fourth Proportional to 26,720.51, 36,872.96 and 14,620.73

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Solution

The fourth proportional to 26,720.51, 36,872.96 and 14,620.73 is: 20,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.51 : 36,872.96 = 14,620.73 : x
  2. Step 2: Convert to fraction form
    26,720.51/36,872.96 = 14,620.73/x
  3. Step 3: Cross multiply
    26,720.51x = 36,872.96 × 14,620.73
  4. Step 4: Simplify right side
    26,720.51x = 539,109,334.99
  5. Step 5: Solve for x
    x = 539,109,334.99/26,720.51
  6. Step 6: Final answer
    x = 20,175.87

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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.