Home / 18,558.81-25,576.82-13,181.49

Finding the Fourth Proportional to 18,558.81, 25,576.82 and 13,181.49

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Solution

The fourth proportional to 18,558.81, 25,576.82 and 13,181.49 is: 18,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.81 : 25,576.82 = 13,181.49 : x
  2. Step 2: Convert to fraction form
    18,558.81/25,576.82 = 13,181.49/x
  3. Step 3: Cross multiply
    18,558.81x = 25,576.82 × 13,181.49
  4. Step 4: Simplify right side
    18,558.81x = 337,140,630.02
  5. Step 5: Solve for x
    x = 337,140,630.02/18,558.81
  6. Step 6: Final answer
    x = 18,166.07

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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.