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Finding the Fourth Proportional to 14,804.70, 22,219.20 and 14,318.70

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Solution

The fourth proportional to 14,804.70, 22,219.20 and 14,318.70 is: 21,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,804.70 : 22,219.20 = 14,318.70 : x
  2. Step 2: Convert to fraction form
    14,804.70/22,219.20 = 14,318.70/x
  3. Step 3: Cross multiply
    14,804.70x = 22,219.20 × 14,318.70
  4. Step 4: Simplify right side
    14,804.70x = 318,150,059.04
  5. Step 5: Solve for x
    x = 318,150,059.04/14,804.70
  6. Step 6: Final answer
    x = 21,489.80

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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.