Home / 26,078.14-39,103.08-9,202.72

Finding the Fourth Proportional to 26,078.14, 39,103.08 and 9,202.72

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Solution

The fourth proportional to 26,078.14, 39,103.08 and 9,202.72 is: 13,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.14 : 39,103.08 = 9,202.72 : x
  2. Step 2: Convert to fraction form
    26,078.14/39,103.08 = 9,202.72/x
  3. Step 3: Cross multiply
    26,078.14x = 39,103.08 × 9,202.72
  4. Step 4: Simplify right side
    26,078.14x = 359,854,696.38
  5. Step 5: Solve for x
    x = 359,854,696.38/26,078.14
  6. Step 6: Final answer
    x = 13,799.09

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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.