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Finding the Fourth Proportional to 18,597.73, 25,664.16 and 10,099.67

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Solution

The fourth proportional to 18,597.73, 25,664.16 and 10,099.67 is: 13,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.73 : 25,664.16 = 10,099.67 : x
  2. Step 2: Convert to fraction form
    18,597.73/25,664.16 = 10,099.67/x
  3. Step 3: Cross multiply
    18,597.73x = 25,664.16 × 10,099.67
  4. Step 4: Simplify right side
    18,597.73x = 259,199,511.10
  5. Step 5: Solve for x
    x = 259,199,511.10/18,597.73
  6. Step 6: Final answer
    x = 13,937.16

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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.