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Finding the Fourth Proportional to 14,091.96, 21,027.67 and 14,009.95

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Solution

The fourth proportional to 14,091.96, 21,027.67 and 14,009.95 is: 20,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.96 : 21,027.67 = 14,009.95 : x
  2. Step 2: Convert to fraction form
    14,091.96/21,027.67 = 14,009.95/x
  3. Step 3: Cross multiply
    14,091.96x = 21,027.67 × 14,009.95
  4. Step 4: Simplify right side
    14,091.96x = 294,596,605.32
  5. Step 5: Solve for x
    x = 294,596,605.32/14,091.96
  6. Step 6: Final answer
    x = 20,905.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.