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Finding the Fourth Proportional to 14,811.40, 22,163.10 and 10,923.40

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Solution

The fourth proportional to 14,811.40, 22,163.10 and 10,923.40 is: 16,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.40 : 22,163.10 = 10,923.40 : x
  2. Step 2: Convert to fraction form
    14,811.40/22,163.10 = 10,923.40/x
  3. Step 3: Cross multiply
    14,811.40x = 22,163.10 × 10,923.40
  4. Step 4: Simplify right side
    14,811.40x = 242,096,406.54
  5. Step 5: Solve for x
    x = 242,096,406.54/14,811.40
  6. Step 6: Final answer
    x = 16,345.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.