Home / 14,659.21-20,229.24-8,371.59

Finding the Fourth Proportional to 14,659.21, 20,229.24 and 8,371.59

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Solution

The fourth proportional to 14,659.21, 20,229.24 and 8,371.59 is: 11,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.21 : 20,229.24 = 8,371.59 : x
  2. Step 2: Convert to fraction form
    14,659.21/20,229.24 = 8,371.59/x
  3. Step 3: Cross multiply
    14,659.21x = 20,229.24 × 8,371.59
  4. Step 4: Simplify right side
    14,659.21x = 169,350,903.29
  5. Step 5: Solve for x
    x = 169,350,903.29/14,659.21
  6. Step 6: Final answer
    x = 11,552.53

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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.