Home / 14,125.05-21,179.25-5,360.58

Finding the Fourth Proportional to 14,125.05, 21,179.25 and 5,360.58

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Solution

The fourth proportional to 14,125.05, 21,179.25 and 5,360.58 is: 8,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.05 : 21,179.25 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    14,125.05/21,179.25 = 5,360.58/x
  3. Step 3: Cross multiply
    14,125.05x = 21,179.25 × 5,360.58
  4. Step 4: Simplify right side
    14,125.05x = 113,533,063.97
  5. Step 5: Solve for x
    x = 113,533,063.97/14,125.05
  6. Step 6: Final answer
    x = 8,037.71

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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.