Home / 14,008.24-20,997.78-5,239.36

Finding the Fourth Proportional to 14,008.24, 20,997.78 and 5,239.36

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Solution

The fourth proportional to 14,008.24, 20,997.78 and 5,239.36 is: 7,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.24 : 20,997.78 = 5,239.36 : x
  2. Step 2: Convert to fraction form
    14,008.24/20,997.78 = 5,239.36/x
  3. Step 3: Cross multiply
    14,008.24x = 20,997.78 × 5,239.36
  4. Step 4: Simplify right side
    14,008.24x = 110,014,928.62
  5. Step 5: Solve for x
    x = 110,014,928.62/14,008.24
  6. Step 6: Final answer
    x = 7,853.59

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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.