Home / 14,156.11-19,537.86-8,191.45

Finding the Fourth Proportional to 14,156.11, 19,537.86 and 8,191.45

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Solution

The fourth proportional to 14,156.11, 19,537.86 and 8,191.45 is: 11,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.11 : 19,537.86 = 8,191.45 : x
  2. Step 2: Convert to fraction form
    14,156.11/19,537.86 = 8,191.45/x
  3. Step 3: Cross multiply
    14,156.11x = 19,537.86 × 8,191.45
  4. Step 4: Simplify right side
    14,156.11x = 160,043,403.30
  5. Step 5: Solve for x
    x = 160,043,403.30/14,156.11
  6. Step 6: Final answer
    x = 11,305.61

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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.