Home / 16,457.31-22,691.34-11,425.86

Finding the Fourth Proportional to 16,457.31, 22,691.34 and 11,425.86

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Solution

The fourth proportional to 16,457.31, 22,691.34 and 11,425.86 is: 15,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.31 : 22,691.34 = 11,425.86 : x
  2. Step 2: Convert to fraction form
    16,457.31/22,691.34 = 11,425.86/x
  3. Step 3: Cross multiply
    16,457.31x = 22,691.34 × 11,425.86
  4. Step 4: Simplify right side
    16,457.31x = 259,268,074.05
  5. Step 5: Solve for x
    x = 259,268,074.05/16,457.31
  6. Step 6: Final answer
    x = 15,753.98

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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.