Home / 13,500.72-18,630.92-7,532.38

Finding the Fourth Proportional to 13,500.72, 18,630.92 and 7,532.38

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Solution

The fourth proportional to 13,500.72, 18,630.92 and 7,532.38 is: 10,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.72 : 18,630.92 = 7,532.38 : x
  2. Step 2: Convert to fraction form
    13,500.72/18,630.92 = 7,532.38/x
  3. Step 3: Cross multiply
    13,500.72x = 18,630.92 × 7,532.38
  4. Step 4: Simplify right side
    13,500.72x = 140,335,141.44
  5. Step 5: Solve for x
    x = 140,335,141.44/13,500.72
  6. Step 6: Final answer
    x = 10,394.64

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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.