Home / 14,083.94-19,437.68-8,115.86

Finding the Fourth Proportional to 14,083.94, 19,437.68 and 8,115.86

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Solution

The fourth proportional to 14,083.94, 19,437.68 and 8,115.86 is: 11,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.94 : 19,437.68 = 8,115.86 : x
  2. Step 2: Convert to fraction form
    14,083.94/19,437.68 = 8,115.86/x
  3. Step 3: Cross multiply
    14,083.94x = 19,437.68 × 8,115.86
  4. Step 4: Simplify right side
    14,083.94x = 157,753,449.03
  5. Step 5: Solve for x
    x = 157,753,449.03/14,083.94
  6. Step 6: Final answer
    x = 11,200.95

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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.