Home / 39,255.69-58,874.68-11,175.12

Finding the Fourth Proportional to 39,255.69, 58,874.68 and 11,175.12

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Solution

The fourth proportional to 39,255.69, 58,874.68 and 11,175.12 is: 16,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.69 : 58,874.68 = 11,175.12 : x
  2. Step 2: Convert to fraction form
    39,255.69/58,874.68 = 11,175.12/x
  3. Step 3: Cross multiply
    39,255.69x = 58,874.68 × 11,175.12
  4. Step 4: Simplify right side
    39,255.69x = 657,931,627.93
  5. Step 5: Solve for x
    x = 657,931,627.93/39,255.69
  6. Step 6: Final answer
    x = 16,760.16

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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.