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Finding the Fourth Proportional to 14,765.39, 20,376.09 and 8,051

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Solution

The fourth proportional to 14,765.39, 20,376.09 and 8,051 is: 11,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.39 : 20,376.09 = 8,051 : x
  2. Step 2: Convert to fraction form
    14,765.39/20,376.09 = 8,051/x
  3. Step 3: Cross multiply
    14,765.39x = 20,376.09 × 8,051
  4. Step 4: Simplify right side
    14,765.39x = 164,047,900.59
  5. Step 5: Solve for x
    x = 164,047,900.59/14,765.39
  6. Step 6: Final answer
    x = 11,110.30

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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.