Home / 13,184.44-19,784.52-5,288.68

Finding the Fourth Proportional to 13,184.44, 19,784.52 and 5,288.68

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Solution

The fourth proportional to 13,184.44, 19,784.52 and 5,288.68 is: 7,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.44 : 19,784.52 = 5,288.68 : x
  2. Step 2: Convert to fraction form
    13,184.44/19,784.52 = 5,288.68/x
  3. Step 3: Cross multiply
    13,184.44x = 19,784.52 × 5,288.68
  4. Step 4: Simplify right side
    13,184.44x = 104,633,995.23
  5. Step 5: Solve for x
    x = 104,633,995.23/13,184.44
  6. Step 6: Final answer
    x = 7,936.17

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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.