Home / 14,824.98-20,458.40-8,451.27

Finding the Fourth Proportional to 14,824.98, 20,458.40 and 8,451.27

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Solution

The fourth proportional to 14,824.98, 20,458.40 and 8,451.27 is: 11,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,824.98 : 20,458.40 = 8,451.27 : x
  2. Step 2: Convert to fraction form
    14,824.98/20,458.40 = 8,451.27/x
  3. Step 3: Cross multiply
    14,824.98x = 20,458.40 × 8,451.27
  4. Step 4: Simplify right side
    14,824.98x = 172,899,419.91
  5. Step 5: Solve for x
    x = 172,899,419.91/14,824.98
  6. Step 6: Final answer
    x = 11,662.71

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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.