Home / 18,716.65-25,827.87-10,217.08

Finding the Fourth Proportional to 18,716.65, 25,827.87 and 10,217.08

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Solution

The fourth proportional to 18,716.65, 25,827.87 and 10,217.08 is: 14,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.65 : 25,827.87 = 10,217.08 : x
  2. Step 2: Convert to fraction form
    18,716.65/25,827.87 = 10,217.08/x
  3. Step 3: Cross multiply
    18,716.65x = 25,827.87 × 10,217.08
  4. Step 4: Simplify right side
    18,716.65x = 263,885,414.02
  5. Step 5: Solve for x
    x = 263,885,414.02/18,716.65
  6. Step 6: Final answer
    x = 14,098.97

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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.