Home / 14,144.40-21,202.60-6,251.20

Finding the Fourth Proportional to 14,144.40, 21,202.60 and 6,251.20

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Solution

The fourth proportional to 14,144.40, 21,202.60 and 6,251.20 is: 9,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.40 : 21,202.60 = 6,251.20 : x
  2. Step 2: Convert to fraction form
    14,144.40/21,202.60 = 6,251.20/x
  3. Step 3: Cross multiply
    14,144.40x = 21,202.60 × 6,251.20
  4. Step 4: Simplify right side
    14,144.40x = 132,541,693.12
  5. Step 5: Solve for x
    x = 132,541,693.12/14,144.40
  6. Step 6: Final answer
    x = 9,370.61

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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.