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Finding the Fourth Proportional to 14,729.10, 20,325.96 and 8,014.65

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Solution

The fourth proportional to 14,729.10, 20,325.96 and 8,014.65 is: 11,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.10 : 20,325.96 = 8,014.65 : x
  2. Step 2: Convert to fraction form
    14,729.10/20,325.96 = 8,014.65/x
  3. Step 3: Cross multiply
    14,729.10x = 20,325.96 × 8,014.65
  4. Step 4: Simplify right side
    14,729.10x = 162,905,455.31
  5. Step 5: Solve for x
    x = 162,905,455.31/14,729.10
  6. Step 6: Final answer
    x = 11,060.11

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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.