Home / 14,418.36-19,902.32-8,451.96

Finding the Fourth Proportional to 14,418.36, 19,902.32 and 8,451.96

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Solution

The fourth proportional to 14,418.36, 19,902.32 and 8,451.96 is: 11,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.36 : 19,902.32 = 8,451.96 : x
  2. Step 2: Convert to fraction form
    14,418.36/19,902.32 = 8,451.96/x
  3. Step 3: Cross multiply
    14,418.36x = 19,902.32 × 8,451.96
  4. Step 4: Simplify right side
    14,418.36x = 168,213,612.55
  5. Step 5: Solve for x
    x = 168,213,612.55/14,418.36
  6. Step 6: Final answer
    x = 11,666.63

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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.