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Finding the Fourth Proportional to 14,369.64, 19,830.11 and 7,996.82

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Solution

The fourth proportional to 14,369.64, 19,830.11 and 7,996.82 is: 11,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.64 : 19,830.11 = 7,996.82 : x
  2. Step 2: Convert to fraction form
    14,369.64/19,830.11 = 7,996.82/x
  3. Step 3: Cross multiply
    14,369.64x = 19,830.11 × 7,996.82
  4. Step 4: Simplify right side
    14,369.64x = 158,577,681.12
  5. Step 5: Solve for x
    x = 158,577,681.12/14,369.64
  6. Step 6: Final answer
    x = 11,035.61

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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.