Home / 27,974.76-38,600.64-16,644.60

Finding the Fourth Proportional to 27,974.76, 38,600.64 and 16,644.60

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Solution

The fourth proportional to 27,974.76, 38,600.64 and 16,644.60 is: 22,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.76 : 38,600.64 = 16,644.60 : x
  2. Step 2: Convert to fraction form
    27,974.76/38,600.64 = 16,644.60/x
  3. Step 3: Cross multiply
    27,974.76x = 38,600.64 × 16,644.60
  4. Step 4: Simplify right side
    27,974.76x = 642,492,212.54
  5. Step 5: Solve for x
    x = 642,492,212.54/27,974.76
  6. Step 6: Final answer
    x = 22,966.85

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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.