Home / 17,764.28-26,646.53-12,200.76

Finding the Fourth Proportional to 17,764.28, 26,646.53 and 12,200.76

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Solution

The fourth proportional to 17,764.28, 26,646.53 and 12,200.76 is: 18,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.28 : 26,646.53 = 12,200.76 : x
  2. Step 2: Convert to fraction form
    17,764.28/26,646.53 = 12,200.76/x
  3. Step 3: Cross multiply
    17,764.28x = 26,646.53 × 12,200.76
  4. Step 4: Simplify right side
    17,764.28x = 325,107,847.94
  5. Step 5: Solve for x
    x = 325,107,847.94/17,764.28
  6. Step 6: Final answer
    x = 18,301.21

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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.