Home / 18,256.11-25,193.41-9,872.61

Finding the Fourth Proportional to 18,256.11, 25,193.41 and 9,872.61

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Solution

The fourth proportional to 18,256.11, 25,193.41 and 9,872.61 is: 13,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.11 : 25,193.41 = 9,872.61 : x
  2. Step 2: Convert to fraction form
    18,256.11/25,193.41 = 9,872.61/x
  3. Step 3: Cross multiply
    18,256.11x = 25,193.41 × 9,872.61
  4. Step 4: Simplify right side
    18,256.11x = 248,724,711.50
  5. Step 5: Solve for x
    x = 248,724,711.50/18,256.11
  6. Step 6: Final answer
    x = 13,624.19

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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.