Home / 26,175.68-39,265.72-11,385.12

Finding the Fourth Proportional to 26,175.68, 39,265.72 and 11,385.12

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Solution

The fourth proportional to 26,175.68, 39,265.72 and 11,385.12 is: 17,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.68 : 39,265.72 = 11,385.12 : x
  2. Step 2: Convert to fraction form
    26,175.68/39,265.72 = 11,385.12/x
  3. Step 3: Cross multiply
    26,175.68x = 39,265.72 × 11,385.12
  4. Step 4: Simplify right side
    26,175.68x = 447,044,934.09
  5. Step 5: Solve for x
    x = 447,044,934.09/26,175.68
  6. Step 6: Final answer
    x = 17,078.64

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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.