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Finding the Fourth Proportional to 14,980.54, 20,674.47 and 8,267.62

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Solution

The fourth proportional to 14,980.54, 20,674.47 and 8,267.62 is: 11,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.54 : 20,674.47 = 8,267.62 : x
  2. Step 2: Convert to fraction form
    14,980.54/20,674.47 = 8,267.62/x
  3. Step 3: Cross multiply
    14,980.54x = 20,674.47 × 8,267.62
  4. Step 4: Simplify right side
    14,980.54x = 170,928,661.66
  5. Step 5: Solve for x
    x = 170,928,661.66/14,980.54
  6. Step 6: Final answer
    x = 11,410.05

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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.