Home / 18,072.56-24,917.64-13,828.88

Finding the Fourth Proportional to 18,072.56, 24,917.64 and 13,828.88

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Solution

The fourth proportional to 18,072.56, 24,917.64 and 13,828.88 is: 19,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.56 : 24,917.64 = 13,828.88 : x
  2. Step 2: Convert to fraction form
    18,072.56/24,917.64 = 13,828.88/x
  3. Step 3: Cross multiply
    18,072.56x = 24,917.64 × 13,828.88
  4. Step 4: Simplify right side
    18,072.56x = 344,583,053.44
  5. Step 5: Solve for x
    x = 344,583,053.44/18,072.56
  6. Step 6: Final answer
    x = 19,066.64

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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.