Home / 14,215.72-21,330.78-9,589

Finding the Fourth Proportional to 14,215.72, 21,330.78 and 9,589

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Solution

The fourth proportional to 14,215.72, 21,330.78 and 9,589 is: 14,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.72 : 21,330.78 = 9,589 : x
  2. Step 2: Convert to fraction form
    14,215.72/21,330.78 = 9,589/x
  3. Step 3: Cross multiply
    14,215.72x = 21,330.78 × 9,589
  4. Step 4: Simplify right side
    14,215.72x = 204,540,849.42
  5. Step 5: Solve for x
    x = 204,540,849.42/14,215.72
  6. Step 6: Final answer
    x = 14,388.36

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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.