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Finding the Fourth Proportional to 14,399.51, 19,871.01 and 8,026.09

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Solution

The fourth proportional to 14,399.51, 19,871.01 and 8,026.09 is: 11,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.51 : 19,871.01 = 8,026.09 : x
  2. Step 2: Convert to fraction form
    14,399.51/19,871.01 = 8,026.09/x
  3. Step 3: Cross multiply
    14,399.51x = 19,871.01 × 8,026.09
  4. Step 4: Simplify right side
    14,399.51x = 159,486,464.97
  5. Step 5: Solve for x
    x = 159,486,464.97/14,399.51
  6. Step 6: Final answer
    x = 11,075.83

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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.