Home / 14,016.87-21,021.72-4,153.84

Finding the Fourth Proportional to 14,016.87, 21,021.72 and 4,153.84

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Solution

The fourth proportional to 14,016.87, 21,021.72 and 4,153.84 is: 6,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.87 : 21,021.72 = 4,153.84 : x
  2. Step 2: Convert to fraction form
    14,016.87/21,021.72 = 4,153.84/x
  3. Step 3: Cross multiply
    14,016.87x = 21,021.72 × 4,153.84
  4. Step 4: Simplify right side
    14,016.87x = 87,320,808.85
  5. Step 5: Solve for x
    x = 87,320,808.85/14,016.87
  6. Step 6: Final answer
    x = 6,229.69

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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.