Home / 14,425.05-19,906.65-8,137.83

Finding the Fourth Proportional to 14,425.05, 19,906.65 and 8,137.83

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Solution

The fourth proportional to 14,425.05, 19,906.65 and 8,137.83 is: 11,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.05 : 19,906.65 = 8,137.83 : x
  2. Step 2: Convert to fraction form
    14,425.05/19,906.65 = 8,137.83/x
  3. Step 3: Cross multiply
    14,425.05x = 19,906.65 × 8,137.83
  4. Step 4: Simplify right side
    14,425.05x = 161,996,933.57
  5. Step 5: Solve for x
    x = 161,996,933.57/14,425.05
  6. Step 6: Final answer
    x = 11,230.25

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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.