Home / 19,375.08-29,077.07-7,530.72

Finding the Fourth Proportional to 19,375.08, 29,077.07 and 7,530.72

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Solution

The fourth proportional to 19,375.08, 29,077.07 and 7,530.72 is: 11,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.08 : 29,077.07 = 7,530.72 : x
  2. Step 2: Convert to fraction form
    19,375.08/29,077.07 = 7,530.72/x
  3. Step 3: Cross multiply
    19,375.08x = 29,077.07 × 7,530.72
  4. Step 4: Simplify right side
    19,375.08x = 218,971,234.94
  5. Step 5: Solve for x
    x = 218,971,234.94/19,375.08
  6. Step 6: Final answer
    x = 11,301.69

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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.