Home / 14,255.82-19,669.68-8,589.06

Finding the Fourth Proportional to 14,255.82, 19,669.68 and 8,589.06

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Solution

The fourth proportional to 14,255.82, 19,669.68 and 8,589.06 is: 11,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.82 : 19,669.68 = 8,589.06 : x
  2. Step 2: Convert to fraction form
    14,255.82/19,669.68 = 8,589.06/x
  3. Step 3: Cross multiply
    14,255.82x = 19,669.68 × 8,589.06
  4. Step 4: Simplify right side
    14,255.82x = 168,944,061.70
  5. Step 5: Solve for x
    x = 168,944,061.70/14,255.82
  6. Step 6: Final answer
    x = 11,850.88

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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.