Home / 14,049.96-21,074.80-5,728.02

Finding the Fourth Proportional to 14,049.96, 21,074.80 and 5,728.02

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Solution

The fourth proportional to 14,049.96, 21,074.80 and 5,728.02 is: 8,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.96 : 21,074.80 = 5,728.02 : x
  2. Step 2: Convert to fraction form
    14,049.96/21,074.80 = 5,728.02/x
  3. Step 3: Cross multiply
    14,049.96x = 21,074.80 × 5,728.02
  4. Step 4: Simplify right side
    14,049.96x = 120,716,875.90
  5. Step 5: Solve for x
    x = 120,716,875.90/14,049.96
  6. Step 6: Final answer
    x = 8,591.97

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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.