Home / 27,854.55-41,781.38-11,214.18

Finding the Fourth Proportional to 27,854.55, 41,781.38 and 11,214.18

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Solution

The fourth proportional to 27,854.55, 41,781.38 and 11,214.18 is: 16,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.55 : 41,781.38 = 11,214.18 : x
  2. Step 2: Convert to fraction form
    27,854.55/41,781.38 = 11,214.18/x
  3. Step 3: Cross multiply
    27,854.55x = 41,781.38 × 11,214.18
  4. Step 4: Simplify right side
    27,854.55x = 468,544,115.01
  5. Step 5: Solve for x
    x = 468,544,115.01/27,854.55
  6. Step 6: Final answer
    x = 16,821.10

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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.