Home / 13,159.24-19,736.52-4,393.06

Finding the Fourth Proportional to 13,159.24, 19,736.52 and 4,393.06

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Solution

The fourth proportional to 13,159.24, 19,736.52 and 4,393.06 is: 6,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.24 : 19,736.52 = 4,393.06 : x
  2. Step 2: Convert to fraction form
    13,159.24/19,736.52 = 4,393.06/x
  3. Step 3: Cross multiply
    13,159.24x = 19,736.52 × 4,393.06
  4. Step 4: Simplify right side
    13,159.24x = 86,703,716.55
  5. Step 5: Solve for x
    x = 86,703,716.55/13,159.24
  6. Step 6: Final answer
    x = 6,588.81

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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.