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Finding the Fourth Proportional to 18,595.57, 25,661.80 and 10,097.62

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Solution

The fourth proportional to 18,595.57, 25,661.80 and 10,097.62 is: 13,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.57 : 25,661.80 = 10,097.62 : x
  2. Step 2: Convert to fraction form
    18,595.57/25,661.80 = 10,097.62/x
  3. Step 3: Cross multiply
    18,595.57x = 25,661.80 × 10,097.62
  4. Step 4: Simplify right side
    18,595.57x = 259,123,025.28
  5. Step 5: Solve for x
    x = 259,123,025.28/18,595.57
  6. Step 6: Final answer
    x = 13,934.66

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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.