Home / 14,039.43-21,059.31-5,717.61

Finding the Fourth Proportional to 14,039.43, 21,059.31 and 5,717.61

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Solution

The fourth proportional to 14,039.43, 21,059.31 and 5,717.61 is: 8,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.43 : 21,059.31 = 5,717.61 : x
  2. Step 2: Convert to fraction form
    14,039.43/21,059.31 = 5,717.61/x
  3. Step 3: Cross multiply
    14,039.43x = 21,059.31 × 5,717.61
  4. Step 4: Simplify right side
    14,039.43x = 120,408,921.45
  5. Step 5: Solve for x
    x = 120,408,921.45/14,039.43
  6. Step 6: Final answer
    x = 8,576.48

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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.