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Finding the Fourth Proportional to 18,496.68, 25,526.07 and 10,540.14

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Solution

The fourth proportional to 18,496.68, 25,526.07 and 10,540.14 is: 14,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.68 : 25,526.07 = 10,540.14 : x
  2. Step 2: Convert to fraction form
    18,496.68/25,526.07 = 10,540.14/x
  3. Step 3: Cross multiply
    18,496.68x = 25,526.07 × 10,540.14
  4. Step 4: Simplify right side
    18,496.68x = 269,048,351.45
  5. Step 5: Solve for x
    x = 269,048,351.45/18,496.68
  6. Step 6: Final answer
    x = 14,545.76

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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.