Home / 18,040.96-24,887.34-12,072.88

Finding the Fourth Proportional to 18,040.96, 24,887.34 and 12,072.88

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Solution

The fourth proportional to 18,040.96, 24,887.34 and 12,072.88 is: 16,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.96 : 24,887.34 = 12,072.88 : x
  2. Step 2: Convert to fraction form
    18,040.96/24,887.34 = 12,072.88/x
  3. Step 3: Cross multiply
    18,040.96x = 24,887.34 × 12,072.88
  4. Step 4: Simplify right side
    18,040.96x = 300,461,869.34
  5. Step 5: Solve for x
    x = 300,461,869.34/18,040.96
  6. Step 6: Final answer
    x = 16,654.43

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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.