Home / 14,926.86-20,599.20-8,212.54

Finding the Fourth Proportional to 14,926.86, 20,599.20 and 8,212.54

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Solution

The fourth proportional to 14,926.86, 20,599.20 and 8,212.54 is: 11,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.86 : 20,599.20 = 8,212.54 : x
  2. Step 2: Convert to fraction form
    14,926.86/20,599.20 = 8,212.54/x
  3. Step 3: Cross multiply
    14,926.86x = 20,599.20 × 8,212.54
  4. Step 4: Simplify right side
    14,926.86x = 169,171,753.97
  5. Step 5: Solve for x
    x = 169,171,753.97/14,926.86
  6. Step 6: Final answer
    x = 11,333.38

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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.