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Finding the Fourth Proportional to 18,497.92, 25,526.56 and 11,330.56

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Solution

The fourth proportional to 18,497.92, 25,526.56 and 11,330.56 is: 15,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.92 : 25,526.56 = 11,330.56 : x
  2. Step 2: Convert to fraction form
    18,497.92/25,526.56 = 11,330.56/x
  3. Step 3: Cross multiply
    18,497.92x = 25,526.56 × 11,330.56
  4. Step 4: Simplify right side
    18,497.92x = 289,230,219.67
  5. Step 5: Solve for x
    x = 289,230,219.67/18,497.92
  6. Step 6: Final answer
    x = 15,635.82

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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.