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Finding the Fourth Proportional to 18,557, 25,608.66 and 10,173.56

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Solution

The fourth proportional to 18,557, 25,608.66 and 10,173.56 is: 14,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557 : 25,608.66 = 10,173.56 : x
  2. Step 2: Convert to fraction form
    18,557/25,608.66 = 10,173.56/x
  3. Step 3: Cross multiply
    18,557x = 25,608.66 × 10,173.56
  4. Step 4: Simplify right side
    18,557x = 260,531,239.03
  5. Step 5: Solve for x
    x = 260,531,239.03/18,557
  6. Step 6: Final answer
    x = 14,039.51

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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.