Home / 18,631.11-25,704.66-12,652.41

Finding the Fourth Proportional to 18,631.11, 25,704.66 and 12,652.41

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Solution

The fourth proportional to 18,631.11, 25,704.66 and 12,652.41 is: 17,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.11 : 25,704.66 = 12,652.41 : x
  2. Step 2: Convert to fraction form
    18,631.11/25,704.66 = 12,652.41/x
  3. Step 3: Cross multiply
    18,631.11x = 25,704.66 × 12,652.41
  4. Step 4: Simplify right side
    18,631.11x = 325,225,897.23
  5. Step 5: Solve for x
    x = 325,225,897.23/18,631.11
  6. Step 6: Final answer
    x = 17,456.07

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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.