Home / 14,040.05-21,059.60-4,179.38

Finding the Fourth Proportional to 14,040.05, 21,059.60 and 4,179.38

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Solution

The fourth proportional to 14,040.05, 21,059.60 and 4,179.38 is: 6,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.05 : 21,059.60 = 4,179.38 : x
  2. Step 2: Convert to fraction form
    14,040.05/21,059.60 = 4,179.38/x
  3. Step 3: Cross multiply
    14,040.05x = 21,059.60 × 4,179.38
  4. Step 4: Simplify right side
    14,040.05x = 88,015,944.85
  5. Step 5: Solve for x
    x = 88,015,944.85/14,040.05
  6. Step 6: Final answer
    x = 6,268.92

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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.