Home / 14,100.45-19,458.62-8,435.43

Finding the Fourth Proportional to 14,100.45, 19,458.62 and 8,435.43

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Solution

The fourth proportional to 14,100.45, 19,458.62 and 8,435.43 is: 11,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.45 : 19,458.62 = 8,435.43 : x
  2. Step 2: Convert to fraction form
    14,100.45/19,458.62 = 8,435.43/x
  3. Step 3: Cross multiply
    14,100.45x = 19,458.62 × 8,435.43
  4. Step 4: Simplify right side
    14,100.45x = 164,141,857.70
  5. Step 5: Solve for x
    x = 164,141,857.70/14,100.45
  6. Step 6: Final answer
    x = 11,640.90

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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.