Home / 16,239.15-24,361.29-6,879.20

Finding the Fourth Proportional to 16,239.15, 24,361.29 and 6,879.20

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Solution

The fourth proportional to 16,239.15, 24,361.29 and 6,879.20 is: 10,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.15 : 24,361.29 = 6,879.20 : x
  2. Step 2: Convert to fraction form
    16,239.15/24,361.29 = 6,879.20/x
  3. Step 3: Cross multiply
    16,239.15x = 24,361.29 × 6,879.20
  4. Step 4: Simplify right side
    16,239.15x = 167,586,064.36
  5. Step 5: Solve for x
    x = 167,586,064.36/16,239.15
  6. Step 6: Final answer
    x = 10,319.88

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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.