Home / 12,234.80-18,352.20-10,849.70

Finding the Fourth Proportional to 12,234.80, 18,352.20 and 10,849.70

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Solution

The fourth proportional to 12,234.80, 18,352.20 and 10,849.70 is: 16,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.80 : 18,352.20 = 10,849.70 : x
  2. Step 2: Convert to fraction form
    12,234.80/18,352.20 = 10,849.70/x
  3. Step 3: Cross multiply
    12,234.80x = 18,352.20 × 10,849.70
  4. Step 4: Simplify right side
    12,234.80x = 199,115,864.34
  5. Step 5: Solve for x
    x = 199,115,864.34/12,234.80
  6. Step 6: Final answer
    x = 16,274.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.