Home / 19,189.89-26,481.62-10,691.98

Finding the Fourth Proportional to 19,189.89, 26,481.62 and 10,691.98

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Solution

The fourth proportional to 19,189.89, 26,481.62 and 10,691.98 is: 14,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.89 : 26,481.62 = 10,691.98 : x
  2. Step 2: Convert to fraction form
    19,189.89/26,481.62 = 10,691.98/x
  3. Step 3: Cross multiply
    19,189.89x = 26,481.62 × 10,691.98
  4. Step 4: Simplify right side
    19,189.89x = 283,140,911.93
  5. Step 5: Solve for x
    x = 283,140,911.93/19,189.89
  6. Step 6: Final answer
    x = 14,754.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.