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Finding the Fourth Proportional to 18,398.73, 25,391.25 and 10,441.11

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Solution

The fourth proportional to 18,398.73, 25,391.25 and 10,441.11 is: 14,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.73 : 25,391.25 = 10,441.11 : x
  2. Step 2: Convert to fraction form
    18,398.73/25,391.25 = 10,441.11/x
  3. Step 3: Cross multiply
    18,398.73x = 25,391.25 × 10,441.11
  4. Step 4: Simplify right side
    18,398.73x = 265,112,834.29
  5. Step 5: Solve for x
    x = 265,112,834.29/18,398.73
  6. Step 6: Final answer
    x = 14,409.30

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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.