Home / 27,175.20-37,520.19-16,981.80

Finding the Fourth Proportional to 27,175.20, 37,520.19 and 16,981.80

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Solution

The fourth proportional to 27,175.20, 37,520.19 and 16,981.80 is: 23,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,175.20 : 37,520.19 = 16,981.80 : x
  2. Step 2: Convert to fraction form
    27,175.20/37,520.19 = 16,981.80/x
  3. Step 3: Cross multiply
    27,175.20x = 37,520.19 × 16,981.80
  4. Step 4: Simplify right side
    27,175.20x = 637,160,362.54
  5. Step 5: Solve for x
    x = 637,160,362.54/27,175.20
  6. Step 6: Final answer
    x = 23,446.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.