Home / 18,146.88-25,044.96-11,073.60

Finding the Fourth Proportional to 18,146.88, 25,044.96 and 11,073.60

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Solution

The fourth proportional to 18,146.88, 25,044.96 and 11,073.60 is: 15,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.88 : 25,044.96 = 11,073.60 : x
  2. Step 2: Convert to fraction form
    18,146.88/25,044.96 = 11,073.60/x
  3. Step 3: Cross multiply
    18,146.88x = 25,044.96 × 11,073.60
  4. Step 4: Simplify right side
    18,146.88x = 277,337,869.06
  5. Step 5: Solve for x
    x = 277,337,869.06/18,146.88
  6. Step 6: Final answer
    x = 15,282.95

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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.