Home / 12,241.92-18,376.52-11,438.88

Finding the Fourth Proportional to 12,241.92, 18,376.52 and 11,438.88

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Solution

The fourth proportional to 12,241.92, 18,376.52 and 11,438.88 is: 17,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.92 : 18,376.52 = 11,438.88 : x
  2. Step 2: Convert to fraction form
    12,241.92/18,376.52 = 11,438.88/x
  3. Step 3: Cross multiply
    12,241.92x = 18,376.52 × 11,438.88
  4. Step 4: Simplify right side
    12,241.92x = 210,206,807.10
  5. Step 5: Solve for x
    x = 210,206,807.10/12,241.92
  6. Step 6: Final answer
    x = 17,171.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.