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Finding the Fourth Proportional to 14,019.97, 21,060.49 and 8,475.93

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Solution

The fourth proportional to 14,019.97, 21,060.49 and 8,475.93 is: 12,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.97 : 21,060.49 = 8,475.93 : x
  2. Step 2: Convert to fraction form
    14,019.97/21,060.49 = 8,475.93/x
  3. Step 3: Cross multiply
    14,019.97x = 21,060.49 × 8,475.93
  4. Step 4: Simplify right side
    14,019.97x = 178,507,239.01
  5. Step 5: Solve for x
    x = 178,507,239.01/14,019.97
  6. Step 6: Final answer
    x = 12,732.36

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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.