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Finding the Fourth Proportional to 14,424.97, 19,905.15 and 8,051.08

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Solution

The fourth proportional to 14,424.97, 19,905.15 and 8,051.08 is: 11,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.97 : 19,905.15 = 8,051.08 : x
  2. Step 2: Convert to fraction form
    14,424.97/19,905.15 = 8,051.08/x
  3. Step 3: Cross multiply
    14,424.97x = 19,905.15 × 8,051.08
  4. Step 4: Simplify right side
    14,424.97x = 160,257,955.06
  5. Step 5: Solve for x
    x = 160,257,955.06/14,424.97
  6. Step 6: Final answer
    x = 11,109.76

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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.