Home / 14,372.70-21,561.09-4,512.75

Finding the Fourth Proportional to 14,372.70, 21,561.09 and 4,512.75

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Solution

The fourth proportional to 14,372.70, 21,561.09 and 4,512.75 is: 6,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.70 : 21,561.09 = 4,512.75 : x
  2. Step 2: Convert to fraction form
    14,372.70/21,561.09 = 4,512.75/x
  3. Step 3: Cross multiply
    14,372.70x = 21,561.09 × 4,512.75
  4. Step 4: Simplify right side
    14,372.70x = 97,299,808.90
  5. Step 5: Solve for x
    x = 97,299,808.90/14,372.70
  6. Step 6: Final answer
    x = 6,769.77

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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.