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Finding the Fourth Proportional to 14,059.73, 21,074.90 and 6,655.38

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Solution

The fourth proportional to 14,059.73, 21,074.90 and 6,655.38 is: 9,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.73 : 21,074.90 = 6,655.38 : x
  2. Step 2: Convert to fraction form
    14,059.73/21,074.90 = 6,655.38/x
  3. Step 3: Cross multiply
    14,059.73x = 21,074.90 × 6,655.38
  4. Step 4: Simplify right side
    14,059.73x = 140,261,434.69
  5. Step 5: Solve for x
    x = 140,261,434.69/14,059.73
  6. Step 6: Final answer
    x = 9,976.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.