Home / 12,933.51-19,384.01-5,529.26

Finding the Fourth Proportional to 12,933.51, 19,384.01 and 5,529.26

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Solution

The fourth proportional to 12,933.51, 19,384.01 and 5,529.26 is: 8,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.51 : 19,384.01 = 5,529.26 : x
  2. Step 2: Convert to fraction form
    12,933.51/19,384.01 = 5,529.26/x
  3. Step 3: Cross multiply
    12,933.51x = 19,384.01 × 5,529.26
  4. Step 4: Simplify right side
    12,933.51x = 107,179,272.68
  5. Step 5: Solve for x
    x = 107,179,272.68/12,933.51
  6. Step 6: Final answer
    x = 8,286.95

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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.