Home / 16,755.28-25,129.26-5,660.51

Finding the Fourth Proportional to 16,755.28, 25,129.26 and 5,660.51

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Solution

The fourth proportional to 16,755.28, 25,129.26 and 5,660.51 is: 8,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.28 : 25,129.26 = 5,660.51 : x
  2. Step 2: Convert to fraction form
    16,755.28/25,129.26 = 5,660.51/x
  3. Step 3: Cross multiply
    16,755.28x = 25,129.26 × 5,660.51
  4. Step 4: Simplify right side
    16,755.28x = 142,244,301.88
  5. Step 5: Solve for x
    x = 142,244,301.88/16,755.28
  6. Step 6: Final answer
    x = 8,489.52

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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.