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Finding the Fourth Proportional to 14,903.87, 22,366.05 and 6,138.78

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Solution

The fourth proportional to 14,903.87, 22,366.05 and 6,138.78 is: 9,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.87 : 22,366.05 = 6,138.78 : x
  2. Step 2: Convert to fraction form
    14,903.87/22,366.05 = 6,138.78/x
  3. Step 3: Cross multiply
    14,903.87x = 22,366.05 × 6,138.78
  4. Step 4: Simplify right side
    14,903.87x = 137,300,153.53
  5. Step 5: Solve for x
    x = 137,300,153.53/14,903.87
  6. Step 6: Final answer
    x = 9,212.39

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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.