Home / 14,102.24-21,157.20-4,869.60

Finding the Fourth Proportional to 14,102.24, 21,157.20 and 4,869.60

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Solution

The fourth proportional to 14,102.24, 21,157.20 and 4,869.60 is: 7,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.24 : 21,157.20 = 4,869.60 : x
  2. Step 2: Convert to fraction form
    14,102.24/21,157.20 = 4,869.60/x
  3. Step 3: Cross multiply
    14,102.24x = 21,157.20 × 4,869.60
  4. Step 4: Simplify right side
    14,102.24x = 103,027,101.12
  5. Step 5: Solve for x
    x = 103,027,101.12/14,102.24
  6. Step 6: Final answer
    x = 7,305.73

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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.