Home / 19,530.38-29,295.48-4,739.24

Finding the Fourth Proportional to 19,530.38, 29,295.48 and 4,739.24

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Solution

The fourth proportional to 19,530.38, 29,295.48 and 4,739.24 is: 7,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.38 : 29,295.48 = 4,739.24 : x
  2. Step 2: Convert to fraction form
    19,530.38/29,295.48 = 4,739.24/x
  3. Step 3: Cross multiply
    19,530.38x = 29,295.48 × 4,739.24
  4. Step 4: Simplify right side
    19,530.38x = 138,838,310.64
  5. Step 5: Solve for x
    x = 138,838,310.64/19,530.38
  6. Step 6: Final answer
    x = 7,108.84

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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.