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Finding the Fourth Proportional to 14,911.19, 22,362.31 and 4,914.09

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Solution

The fourth proportional to 14,911.19, 22,362.31 and 4,914.09 is: 7,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.19 : 22,362.31 = 4,914.09 : x
  2. Step 2: Convert to fraction form
    14,911.19/22,362.31 = 4,914.09/x
  3. Step 3: Cross multiply
    14,911.19x = 22,362.31 × 4,914.09
  4. Step 4: Simplify right side
    14,911.19x = 109,890,403.95
  5. Step 5: Solve for x
    x = 109,890,403.95/14,911.19
  6. Step 6: Final answer
    x = 7,369.66

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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.