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Finding the Fourth Proportional to 18,503.84, 25,537.74 and 10,544.24

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Solution

The fourth proportional to 18,503.84, 25,537.74 and 10,544.24 is: 14,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.84 : 25,537.74 = 10,544.24 : x
  2. Step 2: Convert to fraction form
    18,503.84/25,537.74 = 10,544.24/x
  3. Step 3: Cross multiply
    18,503.84x = 25,537.74 × 10,544.24
  4. Step 4: Simplify right side
    18,503.84x = 269,276,083.92
  5. Step 5: Solve for x
    x = 269,276,083.92/18,503.84
  6. Step 6: Final answer
    x = 14,552.44

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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.