Home / 16,726.20-23,082.28-11,420.88

Finding the Fourth Proportional to 16,726.20, 23,082.28 and 11,420.88

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Solution

The fourth proportional to 16,726.20, 23,082.28 and 11,420.88 is: 15,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.20 : 23,082.28 = 11,420.88 : x
  2. Step 2: Convert to fraction form
    16,726.20/23,082.28 = 11,420.88/x
  3. Step 3: Cross multiply
    16,726.20x = 23,082.28 × 11,420.88
  4. Step 4: Simplify right side
    16,726.20x = 263,619,950.01
  5. Step 5: Solve for x
    x = 263,619,950.01/16,726.20
  6. Step 6: Final answer
    x = 15,760.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.