Home / 14,769.39-20,381.92-8,054.97

Finding the Fourth Proportional to 14,769.39, 20,381.92 and 8,054.97

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Solution

The fourth proportional to 14,769.39, 20,381.92 and 8,054.97 is: 11,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.39 : 20,381.92 = 8,054.97 : x
  2. Step 2: Convert to fraction form
    14,769.39/20,381.92 = 8,054.97/x
  3. Step 3: Cross multiply
    14,769.39x = 20,381.92 × 8,054.97
  4. Step 4: Simplify right side
    14,769.39x = 164,175,652.23
  5. Step 5: Solve for x
    x = 164,175,652.23/14,769.39
  6. Step 6: Final answer
    x = 11,115.94

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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.