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Finding the Fourth Proportional to 14,834.80, 22,219.80 and 11,521.90

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Solution

The fourth proportional to 14,834.80, 22,219.80 and 11,521.90 is: 17,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.80 : 22,219.80 = 11,521.90 : x
  2. Step 2: Convert to fraction form
    14,834.80/22,219.80 = 11,521.90/x
  3. Step 3: Cross multiply
    14,834.80x = 22,219.80 × 11,521.90
  4. Step 4: Simplify right side
    14,834.80x = 256,014,313.62
  5. Step 5: Solve for x
    x = 256,014,313.62/14,834.80
  6. Step 6: Final answer
    x = 17,257.69

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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.