Home / 14,436.96-19,919.64-8,771.56

Finding the Fourth Proportional to 14,436.96, 19,919.64 and 8,771.56

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Solution

The fourth proportional to 14,436.96, 19,919.64 and 8,771.56 is: 12,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.96 : 19,919.64 = 8,771.56 : x
  2. Step 2: Convert to fraction form
    14,436.96/19,919.64 = 8,771.56/x
  3. Step 3: Cross multiply
    14,436.96x = 19,919.64 × 8,771.56
  4. Step 4: Simplify right side
    14,436.96x = 174,726,317.44
  5. Step 5: Solve for x
    x = 174,726,317.44/14,436.96
  6. Step 6: Final answer
    x = 12,102.71

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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.