Home / 14,134.12-19,500.58-8,165

Finding the Fourth Proportional to 14,134.12, 19,500.58 and 8,165

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Solution

The fourth proportional to 14,134.12, 19,500.58 and 8,165 is: 11,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.12 : 19,500.58 = 8,165 : x
  2. Step 2: Convert to fraction form
    14,134.12/19,500.58 = 8,165/x
  3. Step 3: Cross multiply
    14,134.12x = 19,500.58 × 8,165
  4. Step 4: Simplify right side
    14,134.12x = 159,222,235.70
  5. Step 5: Solve for x
    x = 159,222,235.70/14,134.12
  6. Step 6: Final answer
    x = 11,265.10

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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.