Home / 14,740.89-20,341.39-8,367.61

Finding the Fourth Proportional to 14,740.89, 20,341.39 and 8,367.61

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Solution

The fourth proportional to 14,740.89, 20,341.39 and 8,367.61 is: 11,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.89 : 20,341.39 = 8,367.61 : x
  2. Step 2: Convert to fraction form
    14,740.89/20,341.39 = 8,367.61/x
  3. Step 3: Cross multiply
    14,740.89x = 20,341.39 × 8,367.61
  4. Step 4: Simplify right side
    14,740.89x = 170,208,818.38
  5. Step 5: Solve for x
    x = 170,208,818.38/14,740.89
  6. Step 6: Final answer
    x = 11,546.71

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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.