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Finding the Fourth Proportional to 19,996.24, 30,000.51 and 14,451.51

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Solution

The fourth proportional to 19,996.24, 30,000.51 and 14,451.51 is: 21,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.24 : 30,000.51 = 14,451.51 : x
  2. Step 2: Convert to fraction form
    19,996.24/30,000.51 = 14,451.51/x
  3. Step 3: Cross multiply
    19,996.24x = 30,000.51 × 14,451.51
  4. Step 4: Simplify right side
    19,996.24x = 433,552,670.27
  5. Step 5: Solve for x
    x = 433,552,670.27/19,996.24
  6. Step 6: Final answer
    x = 21,681.71

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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.