Home / 27,854.66-41,785.82-8,130.35

Finding the Fourth Proportional to 27,854.66, 41,785.82 and 8,130.35

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Solution

The fourth proportional to 27,854.66, 41,785.82 and 8,130.35 is: 12,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.66 : 41,785.82 = 8,130.35 : x
  2. Step 2: Convert to fraction form
    27,854.66/41,785.82 = 8,130.35/x
  3. Step 3: Cross multiply
    27,854.66x = 41,785.82 × 8,130.35
  4. Step 4: Simplify right side
    27,854.66x = 339,733,092.06
  5. Step 5: Solve for x
    x = 339,733,092.06/27,854.66
  6. Step 6: Final answer
    x = 12,196.64

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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.