Home / 14,165.28-21,247.83-3,635.28

Finding the Fourth Proportional to 14,165.28, 21,247.83 and 3,635.28

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Solution

The fourth proportional to 14,165.28, 21,247.83 and 3,635.28 is: 5,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.28 : 21,247.83 = 3,635.28 : x
  2. Step 2: Convert to fraction form
    14,165.28/21,247.83 = 3,635.28/x
  3. Step 3: Cross multiply
    14,165.28x = 21,247.83 × 3,635.28
  4. Step 4: Simplify right side
    14,165.28x = 77,241,705.20
  5. Step 5: Solve for x
    x = 77,241,705.20/14,165.28
  6. Step 6: Final answer
    x = 5,452.89

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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.