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Finding the Fourth Proportional to 18,144.01, 25,037.39 and 10,187.45

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Solution

The fourth proportional to 18,144.01, 25,037.39 and 10,187.45 is: 14,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.01 : 25,037.39 = 10,187.45 : x
  2. Step 2: Convert to fraction form
    18,144.01/25,037.39 = 10,187.45/x
  3. Step 3: Cross multiply
    18,144.01x = 25,037.39 × 10,187.45
  4. Step 4: Simplify right side
    18,144.01x = 255,067,107.82
  5. Step 5: Solve for x
    x = 255,067,107.82/18,144.01
  6. Step 6: Final answer
    x = 14,057.93

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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.