Home / 26,115.88-39,175.49-7,397.40

Finding the Fourth Proportional to 26,115.88, 39,175.49 and 7,397.40

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Solution

The fourth proportional to 26,115.88, 39,175.49 and 7,397.40 is: 11,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.88 : 39,175.49 = 7,397.40 : x
  2. Step 2: Convert to fraction form
    26,115.88/39,175.49 = 7,397.40/x
  3. Step 3: Cross multiply
    26,115.88x = 39,175.49 × 7,397.40
  4. Step 4: Simplify right side
    26,115.88x = 289,796,732.74
  5. Step 5: Solve for x
    x = 289,796,732.74/26,115.88
  6. Step 6: Final answer
    x = 11,096.57

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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.