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Finding the Fourth Proportional to 14,816.87, 20,448.71 and 8,848.49

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Solution

The fourth proportional to 14,816.87, 20,448.71 and 8,848.49 is: 12,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.87 : 20,448.71 = 8,848.49 : x
  2. Step 2: Convert to fraction form
    14,816.87/20,448.71 = 8,848.49/x
  3. Step 3: Cross multiply
    14,816.87x = 20,448.71 × 8,848.49
  4. Step 4: Simplify right side
    14,816.87x = 180,940,205.95
  5. Step 5: Solve for x
    x = 180,940,205.95/14,816.87
  6. Step 6: Final answer
    x = 12,211.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.