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Finding the Fourth Proportional to 14,064.96, 19,396.80 and 12,074.88

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Solution

The fourth proportional to 14,064.96, 19,396.80 and 12,074.88 is: 16,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.96 : 19,396.80 = 12,074.88 : x
  2. Step 2: Convert to fraction form
    14,064.96/19,396.80 = 12,074.88/x
  3. Step 3: Cross multiply
    14,064.96x = 19,396.80 × 12,074.88
  4. Step 4: Simplify right side
    14,064.96x = 234,214,032.38
  5. Step 5: Solve for x
    x = 234,214,032.38/14,064.96
  6. Step 6: Final answer
    x = 16,652.31

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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.