Home / 19,391.52-29,080.26-8,298.96

Finding the Fourth Proportional to 19,391.52, 29,080.26 and 8,298.96

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Solution

The fourth proportional to 19,391.52, 29,080.26 and 8,298.96 is: 12,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.52 : 29,080.26 = 8,298.96 : x
  2. Step 2: Convert to fraction form
    19,391.52/29,080.26 = 8,298.96/x
  3. Step 3: Cross multiply
    19,391.52x = 29,080.26 × 8,298.96
  4. Step 4: Simplify right side
    19,391.52x = 241,335,914.53
  5. Step 5: Solve for x
    x = 241,335,914.53/19,391.52
  6. Step 6: Final answer
    x = 12,445.44

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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.