Home / 12,414.38-18,624.81-4,095.66

Finding the Fourth Proportional to 12,414.38, 18,624.81 and 4,095.66

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Solution

The fourth proportional to 12,414.38, 18,624.81 and 4,095.66 is: 6,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.38 : 18,624.81 = 4,095.66 : x
  2. Step 2: Convert to fraction form
    12,414.38/18,624.81 = 4,095.66/x
  3. Step 3: Cross multiply
    12,414.38x = 18,624.81 × 4,095.66
  4. Step 4: Simplify right side
    12,414.38x = 76,280,889.32
  5. Step 5: Solve for x
    x = 76,280,889.32/12,414.38
  6. Step 6: Final answer
    x = 6,144.56

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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.