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Finding the Fourth Proportional to 14,999.65, 22,517.70 and 14,890.30

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Solution

The fourth proportional to 14,999.65, 22,517.70 and 14,890.30 is: 22,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.65 : 22,517.70 = 14,890.30 : x
  2. Step 2: Convert to fraction form
    14,999.65/22,517.70 = 14,890.30/x
  3. Step 3: Cross multiply
    14,999.65x = 22,517.70 × 14,890.30
  4. Step 4: Simplify right side
    14,999.65x = 335,295,308.31
  5. Step 5: Solve for x
    x = 335,295,308.31/14,999.65
  6. Step 6: Final answer
    x = 22,353.54

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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.