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Finding the Fourth Proportional to 18,136.47, 25,037.19 and 14,093.76

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Solution

The fourth proportional to 18,136.47, 25,037.19 and 14,093.76 is: 19,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.47 : 25,037.19 = 14,093.76 : x
  2. Step 2: Convert to fraction form
    18,136.47/25,037.19 = 14,093.76/x
  3. Step 3: Cross multiply
    18,136.47x = 25,037.19 × 14,093.76
  4. Step 4: Simplify right side
    18,136.47x = 352,868,146.93
  5. Step 5: Solve for x
    x = 352,868,146.93/18,136.47
  6. Step 6: Final answer
    x = 19,456.27

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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.