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Finding the Fourth Proportional to 14,980.69, 22,469.29 and 12,497.68

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Solution

The fourth proportional to 14,980.69, 22,469.29 and 12,497.68 is: 18,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.69 : 22,469.29 = 12,497.68 : x
  2. Step 2: Convert to fraction form
    14,980.69/22,469.29 = 12,497.68/x
  3. Step 3: Cross multiply
    14,980.69x = 22,469.29 × 12,497.68
  4. Step 4: Simplify right side
    14,980.69x = 280,813,983.46
  5. Step 5: Solve for x
    x = 280,813,983.46/14,980.69
  6. Step 6: Final answer
    x = 18,745.06

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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.