Home / 14,169.12-19,553.04-8,199.96

Finding the Fourth Proportional to 14,169.12, 19,553.04 and 8,199.96

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Solution

The fourth proportional to 14,169.12, 19,553.04 and 8,199.96 is: 11,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.12 : 19,553.04 = 8,199.96 : x
  2. Step 2: Convert to fraction form
    14,169.12/19,553.04 = 8,199.96/x
  3. Step 3: Cross multiply
    14,169.12x = 19,553.04 × 8,199.96
  4. Step 4: Simplify right side
    14,169.12x = 160,334,145.88
  5. Step 5: Solve for x
    x = 160,334,145.88/14,169.12
  6. Step 6: Final answer
    x = 11,315.74

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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.