Home / 19,530.48-29,296.52-5,679.48

Finding the Fourth Proportional to 19,530.48, 29,296.52 and 5,679.48

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Solution

The fourth proportional to 19,530.48, 29,296.52 and 5,679.48 is: 8,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.48 : 29,296.52 = 5,679.48 : x
  2. Step 2: Convert to fraction form
    19,530.48/29,296.52 = 5,679.48/x
  3. Step 3: Cross multiply
    19,530.48x = 29,296.52 × 5,679.48
  4. Step 4: Simplify right side
    19,530.48x = 166,388,999.41
  5. Step 5: Solve for x
    x = 166,388,999.41/19,530.48
  6. Step 6: Final answer
    x = 8,519.45

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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.