Home / 18,013.72-24,842.58-11,299.96

Finding the Fourth Proportional to 18,013.72, 24,842.58 and 11,299.96

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Solution

The fourth proportional to 18,013.72, 24,842.58 and 11,299.96 is: 15,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.72 : 24,842.58 = 11,299.96 : x
  2. Step 2: Convert to fraction form
    18,013.72/24,842.58 = 11,299.96/x
  3. Step 3: Cross multiply
    18,013.72x = 24,842.58 × 11,299.96
  4. Step 4: Simplify right side
    18,013.72x = 280,720,160.30
  5. Step 5: Solve for x
    x = 280,720,160.30/18,013.72
  6. Step 6: Final answer
    x = 15,583.69

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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.