Home / 19,189.62-26,481.54-10,691.31

Finding the Fourth Proportional to 19,189.62, 26,481.54 and 10,691.31

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Solution

The fourth proportional to 19,189.62, 26,481.54 and 10,691.31 is: 14,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.62 : 26,481.54 = 10,691.31 : x
  2. Step 2: Convert to fraction form
    19,189.62/26,481.54 = 10,691.31/x
  3. Step 3: Cross multiply
    19,189.62x = 26,481.54 × 10,691.31
  4. Step 4: Simplify right side
    19,189.62x = 283,122,353.42
  5. Step 5: Solve for x
    x = 283,122,353.42/19,189.62
  6. Step 6: Final answer
    x = 14,753.93

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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.