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Finding the Fourth Proportional to 14,980.40, 22,469.40 and 11,301.44

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Solution

The fourth proportional to 14,980.40, 22,469.40 and 11,301.44 is: 16,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.40 : 22,469.40 = 11,301.44 : x
  2. Step 2: Convert to fraction form
    14,980.40/22,469.40 = 11,301.44/x
  3. Step 3: Cross multiply
    14,980.40x = 22,469.40 × 11,301.44
  4. Step 4: Simplify right side
    14,980.40x = 253,936,575.94
  5. Step 5: Solve for x
    x = 253,936,575.94/14,980.40
  6. Step 6: Final answer
    x = 16,951.25

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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.