Home / 14,666.45-20,234.94-8,292.42

Finding the Fourth Proportional to 14,666.45, 20,234.94 and 8,292.42

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Solution

The fourth proportional to 14,666.45, 20,234.94 and 8,292.42 is: 11,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.45 : 20,234.94 = 8,292.42 : x
  2. Step 2: Convert to fraction form
    14,666.45/20,234.94 = 8,292.42/x
  3. Step 3: Cross multiply
    14,666.45x = 20,234.94 × 8,292.42
  4. Step 4: Simplify right side
    14,666.45x = 167,796,621.15
  5. Step 5: Solve for x
    x = 167,796,621.15/14,666.45
  6. Step 6: Final answer
    x = 11,440.85

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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.