Home / 13,062.38-18,025.88-7,396.97

Finding the Fourth Proportional to 13,062.38, 18,025.88 and 7,396.97

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Solution

The fourth proportional to 13,062.38, 18,025.88 and 7,396.97 is: 10,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.38 : 18,025.88 = 7,396.97 : x
  2. Step 2: Convert to fraction form
    13,062.38/18,025.88 = 7,396.97/x
  3. Step 3: Cross multiply
    13,062.38x = 18,025.88 × 7,396.97
  4. Step 4: Simplify right side
    13,062.38x = 133,336,893.58
  5. Step 5: Solve for x
    x = 133,336,893.58/13,062.38
  6. Step 6: Final answer
    x = 10,207.70

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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.