Home / 14,108.58-21,165.30-4,247.03

Finding the Fourth Proportional to 14,108.58, 21,165.30 and 4,247.03

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Solution

The fourth proportional to 14,108.58, 21,165.30 and 4,247.03 is: 6,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.58 : 21,165.30 = 4,247.03 : x
  2. Step 2: Convert to fraction form
    14,108.58/21,165.30 = 4,247.03/x
  3. Step 3: Cross multiply
    14,108.58x = 21,165.30 × 4,247.03
  4. Step 4: Simplify right side
    14,108.58x = 89,889,716.97
  5. Step 5: Solve for x
    x = 89,889,716.97/14,108.58
  6. Step 6: Final answer
    x = 6,371.28

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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.