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Finding the Fourth Proportional to 14,897.99, 22,356.22 and 8,660.94

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Solution

The fourth proportional to 14,897.99, 22,356.22 and 8,660.94 is: 12,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.99 : 22,356.22 = 8,660.94 : x
  2. Step 2: Convert to fraction form
    14,897.99/22,356.22 = 8,660.94/x
  3. Step 3: Cross multiply
    14,897.99x = 22,356.22 × 8,660.94
  4. Step 4: Simplify right side
    14,897.99x = 193,625,858.39
  5. Step 5: Solve for x
    x = 193,625,858.39/14,897.99
  6. Step 6: Final answer
    x = 12,996.78

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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.