Home / 14,229.68-21,359.55-7,995.02

Finding the Fourth Proportional to 14,229.68, 21,359.55 and 7,995.02

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Solution

The fourth proportional to 14,229.68, 21,359.55 and 7,995.02 is: 12,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.68 : 21,359.55 = 7,995.02 : x
  2. Step 2: Convert to fraction form
    14,229.68/21,359.55 = 7,995.02/x
  3. Step 3: Cross multiply
    14,229.68x = 21,359.55 × 7,995.02
  4. Step 4: Simplify right side
    14,229.68x = 170,770,029.44
  5. Step 5: Solve for x
    x = 170,770,029.44/14,229.68
  6. Step 6: Final answer
    x = 12,000.97

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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.